120-574: The Metropolitan Water Board was a municipal body formed in 1903 to manage the water supply in London , UK. The members of the board were nominated by the local authorities within its area of supply. In 1904 it took over the water supply functions from the eight private water companies which had previously supplied water to residents of London. The board oversaw a significant expansion of London's water supply infrastructure, building several new reservoirs and water treatment works. The Metropolitan Water Board
240-610: A zeppelin over Great Britain during WW1 happened in Cuffley. From the 1920s until the late 1980s , the town of Borehamwood was home to one of the major British film studio complexes, including the MGM-British Studios . Many well-known films were made here including the first three Star Wars movies ( IV , V , & VI ). The studios generally used the name of Elstree . American director Stanley Kubrick not only used to shoot in those studios but also lived in
360-639: A 50-mile (80 km) estuary down to the North Sea , and has been a major settlement for nearly 2,000 years. Its ancient core and financial centre , the City of London , was founded by the Romans as Londinium and has retained its medieval boundaries. The City of Westminster , to the west of the City of London, has been the centuries-long host of the national government and parliament . London grew rapidly in
480-543: A Romano-British soldier, took the place of a Christian priest and was beheaded on Holywell Hill. His martyr's cross of a yellow saltire on a blue field is reflected in the flag and coat of arms of Hertfordshire as the yellow field to the stag or Hart representing the county. He is the Patron Saint of Hertfordshire. With the departure of the Roman Legions in the early 5th century , the now-unprotected territory
600-602: A day (14.996 m/s) no abstraction above Penton Hook was allowed. The maximum abstraction from the river in any one day was limited to 1,200 million gallons (63.140 m/s). The MWB gave a water supply to the Croydon Corporation , Richmond Corporation, Cheshunt Urban District Council, and the Hertfordshire and Essex Water Company. Upon the reorganization of local government in Greater London in 1965,
720-425: A historic centre, with many Tudor and Stuart era buildings interspersed amongst more contemporary structures. Hertfordshire's eastern regions are predominantly rural and arable, intermixed with villages and small to medium-sized towns. Royston, Buntingford and Bishop's Stortford , along with Ware and the county town of Hertford are major settlements in this regard. The physical geography of eastern Hertfordshire
840-542: A larger area, similar in size to Greater London, although some outer districts are excluded and some just outside included. The Greater London boundary has been aligned to the M25 motorway in places. Further urban expansion is now prevented by the Metropolitan Green Belt , although the built-up area extends beyond the boundary in places, producing a separately defined Greater London Urban Area . Beyond this
960-681: A mix of post-WWII new towns and older/more historical locales. The City of St. Albans is an example of a historical settlement, as its cathedral and abbey date to the Norman period, and there are ruins from the Roman settlement of Verulamium nearby the current city centre. Stevenage is a mix of post-WWII new town planning amidst its prior incarnation as a smaller town. The Old Town in Stevenage represents this historic core and has many shops and buildings reflecting its pre-WWII heritage. Hitchin also has
1080-403: A population density of 802 per acre (325 per hectare). In addition to the growing number of stores selling goods, such as Harding, Howell & Co. —one of the first department stores —located on Pall Mall , the streets had scores of street sellers . London's overcrowded conditions led to cholera epidemics, claiming 14,000 lives in 1848, and 6,000 in 1866. Rising traffic congestion led to
1200-573: A population of 7,172,036 in 2001 and a population density of 11,760 inhabitants per square mile (4,542/km ). The extended area known as the London Metropolitan Region or the London Metropolitan Agglomeration, comprises a total area of 3,236 square miles (8,382 km ) has a population of 13,709,000 and a population density of 3,900 inhabitants per square mile (1,510/km ). Modern London stands on
1320-428: A royal commission was set up in 1827 to investigate the quality of supply. The commission found that the water was of poor quality and cleanliness, and was in need of improvement. A select committee endorsed this view in 1828 and recommended that a scheme should be devised by Thomas Telford , to supply the whole metropolis with clean water. Telford reported in 1834, and despite several outbreaks of cholera , little action
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#17327653306751440-551: A temperate oceanic climate ( Köppen : Cfb ). Rainfall records have been kept in the city since at least 1697, when records began at Kew . At Kew, the most rainfall in one month is 7.4 inches (189 mm) in November 1755 and the least is 0 inches (0 mm) in both December 1788 and July 1800. Mile End also had 0 inches (0 mm) in April 1893. The wettest year on record is 1903, with a total fall of 38.1 inches (969 mm) and
1560-699: Is 1,049.8 millibars (31.00 inHg) on 20 January 2020. Summers are generally warm, sometimes hot. London's average July high is 23.5 °C (74.3 °F). On average each year, London experiences 31 days above 25 °C (77.0 °F) and 4.2 days above 30.0 °C (86.0 °F). During the 2003 European heat wave , prolonged heat led to hundreds of heat-related deaths. A previous spell of 15 consecutive days above 32.2 °C (90.0 °F) in England in 1976 also caused many heat related deaths. A previous temperature of 37.8 °C (100.0 °F) in August 1911 at
1680-469: Is a ceremonial county in the East of England and one of the home counties . It borders Bedfordshire to the north-west, Cambridgeshire to the north-east, Essex to the east, Greater London to the south and Buckinghamshire to the west. The largest settlement is Watford , and the county town is Hertford . The county has an area of 634 square miles (1,640 km ) and had a population of 1,198,800 at
1800-510: Is also the UK base of multi-nationals Hilton Worldwide , TotalEnergies , TK Maxx , Costco , JJ Kavanagh and Sons , Vinci and Beko . The 2006 World Golf Championship and the 2013 Bilderberg Conference , took place at The Grove hotel . Warner Bros. owns and runs its main UK base since the 2000s, Warner Studios, in Leavesden, Watford. Rickmansworth hosts Skanska . Most of the county
1920-545: Is formed of two tiers: a citywide, strategic tier and a local tier. Citywide administration is coordinated by the Greater London Authority (GLA), while local administration is carried out by 33 smaller authorities. The GLA consists of two elected components: the mayor of London , who has executive powers , and the London Assembly , which scrutinises the mayor's decisions and can accept or reject
2040-760: Is headquartered in Thames House on the north bank of the River Thames and the foreign intelligence service ( MI6 ) is headquartered in the SIS Building on the south bank. Crime rates vary widely across different areas of London. Crime figures are made available nationally at Local Authority and Ward level. In 2015, there were 118 homicides, a 25.5% increase over 2014. Recorded crime has been rising in London, notably violent crime and murder by stabbing and other means have risen. There were 50 murders from
2160-592: Is held by an independent . The ministerial post of minister for London was created in 1994, however as of 2024, the post has been vacant. Policing in Greater London, with the exception of the City of London , is provided by the Metropolitan Police ("The Met"), overseen by the mayor through the Mayor's Office for Policing and Crime (MOPAC). The Met is also referred to as Scotland Yard after
2280-564: Is known as London . It is the capital of the United Kingdom and of England by convention rather than statute. The capital of England was moved to London from Winchester as the Palace of Westminster developed in the 12th and 13th centuries to become the permanent location of the royal court , and thus the political capital of the nation. Greater London encompasses a total area of 611 square miles (1,583 km ) an area which had
2400-656: Is less elevated than the far west, but with lower rising hills and prominent rivers such as the Stort . This river rises in Essex and terminates via a confluence with the Lea near to Ware. Apart from the Lea and Stort, the River Colne is the major watercourse in the county's west. This runs near Watford and Radlett, and has a complex system/drainage area running south into both Greater London and Buckinghamshire. An unofficial status,
2520-560: Is served by BBC London & ITV London , however Stevenage and North Hertfordshire is served by BBC East & ITV Anglia . Some northwestern parts of the county around Tring can also receive BBC South and ITV Meridian . Local radio for the county is provided by BBC Three Counties Radio , BBC Radio Cambridgeshire (covering Royston ), Heart Hertfordshire , Greatest Hits Radio Bucks, Beds and Herts (formerly Mix 96), Mix 92.6 (formerly Radio Verulam St. Albans) and Community Radio Dacorum (Hemel Hempstead). Local newspapers in
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#17327653306752640-644: Is supplied to London from Ware , using the New River built by Hugh Myddleton and opened in 1613. Local rivers, although small, supported developing industries such as paper production at Nash Mills . Hertfordshire affords habitat for a variety of flora and fauna. A bird once common in the shire is the hooded crow , the old name of which is the eponymous name of the regional newspaper, the Royston Crow published in Royston . A product, now largely defunct,
2760-610: Is the fourth-most populous in Europe, with about 9.8 million inhabitants as of 2011. The London metropolitan area is the third-most populous in Europe, with about 14 million inhabitants as of 2016, making London a megacity . Four World Heritage Sites are located in London: Kew Gardens ; the Tower of London ; the site featuring the Palace of Westminster , Church of St. Margaret , and Westminster Abbey ; and
2880-468: Is the bedrock of much of the county provides an aquifer that feeds streams and is also exploited to provide water supplies for much of the county and beyond. Chalk has also been used as a building material and, once fired, the resultant lime was spread on agricultural land to improve fertility. The mining of chalk since the early 18th century has left unrecorded underground galleries that occasionally collapse unexpectedly and endanger buildings. Fresh water
3000-523: Is the vast London commuter belt . Greater London is split for some purposes into Inner London and Outer London , and by the River Thames into North and South , with an informal central London area. The coordinates of the nominal centre of London, traditionally the original Eleanor Cross at Charing Cross near the junction of Trafalgar Square and Whitehall , are about 51°30′26″N 00°07′39″W / 51.50722°N 0.12750°W / 51.50722; -0.12750 . Within London, both
3120-495: The 2021 census . After Watford (131,325), the largest settlements are Hemel Hempstead (95,985), Stevenage (94,470) and the city of St Albans (75,540). For local government purposes Hertfordshire is a non-metropolitan county with ten districts beneath Hertfordshire County Council . Elevations are higher in the north and west, reaching more than 800 feet (240 m) in the Chilterns near Tring . The county centres on
3240-540: The Black Death in the mid-14th century, London lost nearly a third of its population. London was the focus of the Peasants' Revolt in 1381. London was a centre of England's Jewish population before their expulsion by Edward I in 1290. Violence against Jews occurred in 1190, when it was rumoured that the new king had ordered their massacre after they had presented themselves at his coronation. In 1264 during
3360-533: The Canary Wharf development. This was born out of London's increasing role as an international financial centre in the 1980s. Located about 2 miles (3 km) east of central London, the Thames Barrier was completed in the 1980s to protect London against tidal surges from the North Sea . The Greater London Council was abolished in 1986, leaving London with no central administration until 2000 and
3480-693: The Chiltern Hills surrounding Tring , Berkhamsted and the Ashridge estate. This Area of Outstanding Natural Beauty runs from near Hitchin in the north to Berkshire and Oxfordshire. Many of the county's major settlements are in the central, northern and southern areas, such as Watford, Hemel Hempstead, Kings Langley , Rickmansworth , St. Albans , Harpenden , Redbourn , Radlett , Borehamwood , Potters Bar , Stevenage, Hatfield , Welwyn and Welwyn Garden City, Hitchin , Letchworth and Baldock. These are all small to medium-sized locations, featuring
3600-611: The Chilterns , clayland buffer zone countryside of Braughing and the Hadhams across to ancient hornbeam coppices west of the upper Lea valley. The county has sweeping panoramas of chalklands near Royston , Baldock , Hexton and Tring . Large parts of the county are used for agriculture. Some quarrying of sand and gravel occurs around St Albans. In the past, clay has supplied local brick-making and still does in Bovingdon , just south-west of Hemel Hempstead. The chalk that
3720-575: The City of London , but since then it has also referred to the County of London and to Greater London . In 1993, remains of a Bronze Age bridge were found on the south River Thames foreshore, upstream from Vauxhall Bridge . Two of the timbers were radiocarbon dated to 1750–1285 BC. In 2010, foundations of a large timber structure, dated to 4800–4500 BC, were found on the Thames' south foreshore downstream from Vauxhall Bridge. Both structures are on
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3840-672: The Corn Laws in 1846 was specifically aimed at weakening Dutch economic power. London then overtook Amsterdam as the leading international financial centre. With the onset of the Industrial Revolution in Britain, an unprecedented growth in urbanisation took place, and the number of High Streets (the primary street for retail in Britain) rapidly grew. London was the world's largest city from about 1831 to 1925 , with
3960-605: The Counties (Detached Parts) Act 1844 which eliminated exclaves ; amended when, in 1965 under the London Government Act 1963 , East Barnet Urban District and Barnet Urban District were abolished, their area was transferred to form part of the present-day London Borough of Barnet and the Potters Bar Urban District of Middlesex was transferred to Hertfordshire. The highest point in
4080-809: The FA Cup Final , the Wimbledon Tennis Championships , and the London Marathon . It became the first city to host three Summer Olympic Games upon hosting the 2012 Summer Olympics . London is an ancient name, attested in the first century AD, usually in the Latinised form Londinium . Modern scientific analyses of the name must account for the origins of the different forms found in early sources: Latin (usually Londinium ), Old English (usually Lunden ), and Welsh (usually Llundein ), with reference to
4200-568: The Georgian era , new districts such as Mayfair were formed in the west; new bridges over the Thames encouraged development in South London . In the east, the Port of London expanded downstream. London's development as an international financial centre matured for much of the 18th century. In 1762, George III acquired Buckingham House , which was enlarged over the next 75 years. During
4320-497: The Greater London Authority . As one of the world's major global cities , London exerts a strong influence on world art , entertainment, fashion , commerce, finance, education , healthcare , media , science, technology, tourism , transport , and communications. Despite a post- Brexit exodus of stock listings from the London Stock Exchange , London remains a European economic powerhouse, and one of
4440-634: The King's Road , Chelsea and Carnaby Street . The role of trendsetter revived in the punk era. In 1965 London's political boundaries were expanded in response to the growth of the urban area and a new Greater London Council was created. During The Troubles in Northern Ireland, London was hit from 1973 by bomb attacks by the Provisional Irish Republican Army . These attacks lasted for two decades, starting with
4560-687: The London Ambulance Service (LAS) NHS Trust , the largest free-at-the-point-of-use emergency ambulance service in the world. The London Air Ambulance charity operates in conjunction with the LAS where required. Her Majesty's Coastguard and the Royal National Lifeboat Institution operate on the River Thames , which is under the jurisdiction of the Port of London Authority from Teddington Lock to
4680-782: The Mediterranean was normally through Antwerp and over the Alps ; any ships passing through the Strait of Gibraltar to or from England were likely to be Italian or Ragusan . The reopening of the Netherlands to English shipping in January 1565 spurred a burst of commercial activity. The Royal Exchange was founded. Mercantilism grew and monopoly traders such as the East India Company were founded as trade expanded to
4800-613: The New Model Army entered London in 1647, and they were levelled by Parliament the same year. London was plagued by disease in the early 17th century, culminating in the Great Plague of 1665–1666, which killed up to 100,000 people, or a fifth of the population. The Great Fire of London broke out in 1666 in Pudding Lane in the city and quickly swept through the wooden buildings. Rebuilding took over ten years and
4920-564: The New World . London became the main North Sea port, with migrants arriving from England and abroad. The population rose from about 50,000 in 1530 to about 225,000 in 1605. In the 16th century, William Shakespeare and his contemporaries lived in London during English Renaissance theatre . Shakespeare's Globe Theatre was constructed in 1599 in Southwark . Stage performances came to a halt in London when Puritan authorities shut down
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5040-612: The Old Bailey bombing . Racial inequality was highlighted by the 1981 Brixton riot . Greater London's population declined in the decades after the Second World War, from an estimated peak of 8.6 million in 1939 to around 6.8 million in the 1980s. The principal ports for London moved downstream to Felixstowe and Tilbury , with the London Docklands area becoming a focus for regeneration, including
5160-582: The River Thames ; the River Lea ; from springs and wells in the Lea valley, Kent, and in the southern district; from the Hanworth gravel beds; and from Hampstead and Highgate ponds . The daily and total volume of water supplied by the MWB in 1912–13 and 1920–21 was as follows: Note: 1 million gallons is 4546.1 m. The Thames Conservancy placed limits on the abstraction of water. The average daily abstraction
5280-662: The Second Barons' War , Simon de Montfort 's rebels killed 500 Jews while attempting to seize records of debts. During the Tudor period , the Reformation produced a gradual shift to Protestantism . Much of London property passed from church to private ownership, which accelerated trade and business in the city. In 1475, the Hanseatic League set up a main trading base ( kontor ) of England in London, called
5400-412: The Stalhof or Steelyard . It remained until 1853, when the Hanseatic cities of Lübeck , Bremen and Hamburg sold the property to South Eastern Railway . Woollen cloth was shipped undyed and undressed from 14th/15th century London to the nearby shores of the Low Countries . Yet English maritime enterprise hardly reached beyond the seas of north-west Europe . The commercial route to Italy and
5520-495: The Thames , its primary geographical feature, a navigable river which crosses the city from the south-west to the east. The Thames Valley is a flood plain surrounded by gently rolling hills including Parliament Hill , Addington Hills , and Primrose Hill . Historically London grew up at the lowest bridging point on the Thames. The Thames was once a much broader, shallower river with extensive marshlands ; at high tide, its shores reached five times their present width. Since
5640-456: The Thames Conservancy and the Lee Conservancy Catchment Board all appointed one member each. While there were a number of local authorities wholly or partly within the board’s area which were not directly represented on the board, they were indirectly represented through either the Greater London Council or appropriate county council . The term of office of members of the board was three years. The chairman and vice-chairman were elected by
5760-414: The Victorian era the Thames has been extensively embanked , and many of its London tributaries now flow underground . The Thames is a tidal river, and London is vulnerable to flooding. The threat has increased over time because of a slow but continuous rise in high water level caused by climate change and by the slow 'tilting' of the British Isles as a result of post-glacial rebound . London has
5880-401: The 11th century, London was clearly the largest town in England. Westminster Abbey , rebuilt in Romanesque style by King Edward the Confessor , was one of the grandest churches in Europe. Winchester had been the capital of Anglo-Saxon England , but from this time London became the main forum for foreign traders and the base for defence in time of war. In the view of Frank Stenton : "It had
6000-434: The 18th century, London was said to be dogged by crime, and the Bow Street Runners were established in 1750 as a professional police force. Epidemics during the 1720s and 30s saw most children born in the city die before reaching their fifth birthday. Coffee-houses became a popular place to debate ideas, as growing literacy and development of the printing press made news widely available, with Fleet Street becoming
6120-401: The 19th century , becoming the world's largest city at the time . Since the 19th century, the name "London" has referred to the metropolis around the City of London, historically split between the counties of Middlesex , Essex , Surrey , Kent , and Hertfordshire , which since 1965 has largely comprised the administrative area of Greater London , governed by 33 local authorities and
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#17327653306756240-414: The Anglo-Saxons: "ford", "ton", "den", "bourn", "ley", "stead", "ing", "lett", "wood", and "worth", are represented in this county by Hertford, Royston, Harpenden, Redbourn, Cuffley, Wheathampstead, Tring, Radlett, Borehamwood and Rickmansworth. There is evidence of human life in Hertfordshire from the Mesolithic period . It was first farmed during the Neolithic period and permanent habitation appeared at
6360-420: The City of London and the City of Westminster have city status . The City of London and the remainder of Greater London are both counties for the purposes of lieutenancies . The area of Greater London includes areas that are part of the historic counties of Middlesex , Kent , Surrey , Essex and Hertfordshire . More recently, Greater London has been defined as a region of England and in this context
6480-508: The Greenwich station was later disregarded as non-standard. Droughts can also, occasionally, be a problem, especially in summer, most recently in summer 2018, and with much drier than average conditions prevailing from May to December. However, the most consecutive days without rain was 73 days in the spring of 1893. Hertfordshire Hertfordshire ( / ˈ h ɑːr t f ər d ʃ ɪər / HART -fərd-sheer or /- ʃ ər / -shər ; often abbreviated Herts )
6600-435: The London area. This called for the Corporation of the city to extend its jurisdiction and administration over expanding areas around the city. Fearing an attempt by the Crown to diminish the Liberties of London , coupled with a lack of interest in administering these additional areas or concern by city guilds of having to share power, caused the Corporation's "The Great Refusal", a decision which largely continues to account for
6720-418: The Roses, St. Albans was the scene of two major battles between the Lancastrians and the Yorkists. In Tudor times, Hatfield House was often frequented by Queen Elizabeth I. Stuart King James I used the locale for hunting and facilitated the construction of a waterway, the New River , supplying drinking water to London. As London grew, Hertfordshire became conveniently close to the English capital; much of
6840-573: The UK Cereal Partners factory and in pharmaceuticals it hosts Roche UK's headquarters (subsidiary of the Swiss Hoffman-La Roche ). GlaxoSmithKline has plants in Ware and Stevenage . Hemel Hempstead has large premises of Dixons Carphone . The National Pharmacy Association (NPA), the trade association for UK pharmacies, is based in St Albans . Kings Langley has the plant-office of Pure , making DAB digital radios . Watford hosts national companies such as J D Wetherspoon , Camelot Group , Bathstore , and Caversham Finance (BrightHouse). It
6960-415: The Unready . A century later, William of Normandy received the surrender of some senior English Lords and Clergy at Berkhamsted , before entering London unopposed and being crowned at Westminster . Hertfordshire was used for some of the new Norman castles at Bishop's Stortford , and at King's Langley , a staging post between London and the royal residence of Berkhamsted . The Domesday Book recorded
7080-405: The Viking incursions formally agreed by the Danish warlord , Guthrum and the West Saxon king Alfred the Great in 886. The Anglo-Saxon Chronicle records that Alfred "refounded" London in 886. Archaeological research shows this involved abandonment of Lundenwic and a revival of life and trade within the old Roman walls . London then grew slowly until a dramatic increase in about 950. By
7200-404: The area from the source of the Thames in Wiltshire to the Thames Estuary . London London is the capital and largest city of both England and the United Kingdom , with a population of 8,866,180 in 2022. The wider metropolitan area is the largest in Western Europe , with a population of 14.9 million. London stands on the River Thames in southeast England, at the head of
7320-414: The area until his death. Big Brother UK and Who Wants to Be a Millionaire? have been filmed there. EastEnders is filmed at Elstree. Hertfordshire has seen development at Warner Bros. Studios, Leavesden ; the Harry Potter series was filmed here and the 1995 James Bond film GoldenEye . On 17 October 2000, the Hatfield rail crash killed four people with over 70 injured. The crash exposed
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#17327653306757440-441: The area was owned by the nobility and aristocracy , this patronage helped to boost the local economy. However, the greatest boost to Hertfordshire came during the Industrial Revolution , after which the population rose dramatically. In 1903, Letchworth became the world's first garden city and Stevenage became the first town to redevelop under the New Towns Act 1946 ( 9 & 10 Geo. 6 . c. 68). The first shooting-down of
7560-401: The backdrop of continuing supply problems, the county councils of Middlesex, Essex, Kent and Surrey indicated they would not accept any scheme which allowed the London County Council authority over their areas in respect of water supply. It was therefore decided that the Metropolitan Water Bill would create an entirely new body to supply water to the greater London area. The board was created by
7680-444: The beginning of the Bronze Age . This was followed by tribes settling in the area during the Iron Age . Following the Roman conquest of Britain in AD 43 , the Catuvellauni tribe accepted peace and adapted to the Roman life; resulting in the development of several new towns, including Verulamium (St Albans) where in c. 293 the first recorded British martyrdom is traditionally believed to have taken place. Saint Alban ,
7800-403: The board on an annual basis. The various public water boards and local authority water undertakings in England and Wales were reorganised by the Water Act 1973 . Ten large water authorities were established based on river basins and catchment areas. Accordingly, in 1974, the assets of the Metropolitan Water Board passed to the Thames Water Authority governed by a 60-person board, and covering
7920-429: The board’s constitution was amended by the London Government Order 1965 (SI 1965/654) and from 1 November 1965 until its abolition on 1 April 1974, the board had 39 members, appointed by the constituent authorities: The Greater London Council appointed six members, while the Common Council of the City of London , 26 of the London borough councils , the county councils of Essex , Kent , Surrey and Hertfordshire ,
8040-437: The centre of the British press. The invasion of Amsterdam by Napoleonic armies led many financiers to relocate to London and the first London international issue was arranged in 1817. Around the same time, the Royal Navy became the world's leading war fleet, acting as a major deterrent to potential economic adversaries. Following a fire in 1838, the Royal Exchange was redesigned by William Tite and rebuilt in 1844. The repeal of
8160-425: The city's metropolis. The City of London at its core once comprised the whole settlement, but as its urban area grew, the Corporation of London resisted attempts to amalgamate the city with its suburbs , causing "London" to be defined several ways. Forty per cent of Greater London is covered by the London post town , in which 'London' forms part of postal addresses. The London telephone area code (020) covers
8280-412: The city, to intimidate the inhabitants. In 1097, William II began building Westminster Hall , near the abbey. It became the basis of a new Palace of Westminster . In the 12th century, the institutions of central government, which had hitherto followed the royal English court around the country, grew in size and sophistication and became increasingly fixed, for most purposes at Westminster , although
8400-443: The combined revenue expenditure by London councils and the GLA amounted to just over £22 billion (£14.7 billion for the boroughs and £7.4 billion for the GLA). The London Fire Brigade is the statutory fire and rescue service for Greater London, run by the London Fire and Emergency Planning Authority . It is the third largest fire service in the world. National Health Service ambulance services are provided by
8520-427: The corporations of major provincial towns such as Liverpool, Manchester and Leeds began operating their own municipal supplies. The Metropolitan Board of Works promoted several unsuccessful bills between 1878 and 1886 which would have allowed them to offer a municipal water supply; with a further eight bills promoted by the London County Council in 1895. During the course of a further series of commissions, set against
8640-492: The county are: Waltham Cross , Broxbourne , is the location of the Lee Valley White Water Centre , a purpose-built venue opened in 2010 for the 2012 Summer Olympics . The site consists of two white water courses; one 300m Grade IV "Olympic" run; and one 160m Grade III "legacy" run. During the games the center was the venue for the canoe and kayak slalom events . Lee Valley has since hosted
8760-407: The county as having nine hundreds . Tring and Danais became one— Dacorum —from Danis Corum or Danish rule harking back to a Viking not Saxon past. The other seven were Braughing , Stevenage , Cashio , Buntingford , Hertford , Hitchin and Odsey . In the later Plantagenet period, St. Albans Abbey was an initial drafting place of what was to become Magna Carta . And in the later Wars of
8880-515: The county is at 244 m (801 ft) ( AOD ) on the Ridgeway long distance national path, on the border of Hastoe near Tring with Drayton Beauchamp , Buckinghamshire. At the 2011 census, among the county's ten districts, East Hertfordshire had the lowest population density (290 people per km ) and Watford the highest (4210 per km ). Compared with neighbouring Bedfordshire and Buckinghamshire, Hertfordshire lacks large towns or cities on
9000-626: The creation of the Greater London Authority . To mark the 21st century, the Millennium Dome , London Eye and Millennium Bridge were constructed. On 6 July 2005 London was awarded the 2012 Summer Olympics , as the first city to stage the Olympic Games three times. On 7 July 2005, three London Underground trains and a double-decker bus were bombed in a series of terrorist attacks . In 2008, Time named London alongside New York City and Hong Kong as Nylonkong , hailing them as
9120-559: The creation of the London Underground , the world's first urban rail network . The Metropolitan Board of Works oversaw infrastructure expansion in the capital and some surrounding counties; it was abolished in 1889 when the London County Council was created out of county areas surrounding the capital. From the early years of the 20th century onwards, teashops were found on High Streets across London and
9240-713: The driest is 1921, with a total fall of 12.1 inches (308 mm). The average annual precipitation amounts to about 600mm, which is half the annual rainfall of New York City . Despite relatively low annual precipitation, London receives 109.6 rainy days on the 1.0mm threshold annually. London is vulnerable to climate change , and there is concern among hydrological experts that households may run out of water before 2050. Temperature extremes in London range from 40.2 °C (104.4 °F) at Heathrow on 19 July 2022 down to −17.4 °C (0.7 °F) at Northolt on 13 December 1981. Records for atmospheric pressure have been kept at London since 1692. The highest pressure ever reported
9360-483: The edge of Hemel Hempstead. Hertfordshire is located in the south-eastern part of England and is the county immediately north of London. It is officially part of the East of England region, a mainly statistical unit . To the east is Essex , to the west is Buckinghamshire and to the north are Bedfordshire and Cambridgeshire . A significant minority of the population across all districts commute to Central London . The county's boundaries were roughly fixed by
9480-609: The first Muslim mayor of a major Western capital. The mayor's statutory planning strategy is published as the London Plan , which was most recently revised in 2011. The local authorities are the councils of the 32 London boroughs and the City of London Corporation . They are responsible for most local services, such as local planning, schools, libraries, leisure and recreation, social services , local roads and refuse collection. Certain functions, such as waste management , are provided through joint arrangements. In 2009–2010
9600-576: The headwaters and upper valleys of the rivers Lea and the Colne ; both flow south and each is accompanied by a canal. Hertfordshire's undeveloped land is mainly agricultural and much of the county is covered by the Metropolitan green belt . Since 1903, Letchworth has served as the prototype garden city while Stevenage became the first town to expand under post-war Britain 's New Towns Act 1946 ( 9 & 10 Geo. 6 . c. 68). Services have become
9720-821: The historic settlement in Greenwich where the Royal Observatory defines the prime meridian (0° longitude ) and Greenwich Mean Time . Other landmarks include Buckingham Palace , the London Eye , Piccadilly Circus , St Paul's Cathedral , Tower Bridge , and Trafalgar Square . The city has the most museums , art galleries, libraries, and cultural venues in the UK, including the British Museum , National Gallery , Natural History Museum , Tate Modern , British Library , and numerous West End theatres. Important sporting events held in London include
9840-404: The known developments over time of sounds in those different languages. It is agreed that the name came into these languages from Common Brythonic ; recent work tends to reconstruct the lost Celtic form of the name as * Londonjon or something similar. This was then adapted into Latin as Londinium and borrowed into Old English. Until 1889, the name "London" applied officially only to
9960-664: The largest sector of the county's economy. The county's landmarks span many centuries, ranging from the Six Hills in Stevenage built by local inhabitants during the Roman period, to Leavesden Film Studios . The volume of intact medieval and Tudor buildings surpasses London, in places in well-preserved conservation areas , especially in St Albans , which includes remains of the Roman town of Verulamium . In 913, Hertfordshire
10080-640: The location of its original headquarters in a road called Great Scotland Yard in Whitehall. The City of London has its own police force – the City of London Police . First worn by Met police officers in 1863, the custodian helmet has been called a "cultural icon" and a "symbol of British law enforcement". Introduced by the Met in 1929, the blue police telephone box (basis for the TARDIS in Doctor Who )
10200-458: The mayor's budget proposals each year. The GLA has responsibility for the majority of London's transport system through its functional arm Transport for London (TfL), it is responsible for overseeing the city's police and fire services, and also for setting a strategic vision for London on a range of issues. The headquarters of the GLA is City Hall , Newham. The mayor since 2016 has been Sadiq Khan ,
10320-692: The midst of the Norse invasions, Hertfordshire was on the front lines of much of the fighting. King Edward the Elder , in his reconquest of Norse-held lands in what was to become England , established a " burh " or fort in Hertford, which was to curb Norse activities in the area. His father, King Alfred the Great , established the River Lea as a boundary between his kingdom and that of the Norse lord Guthrum , with
10440-675: The most diverse cities in the world. In 1951, the Festival of Britain was held on the South Bank . The Great Smog of 1952 led to the Clean Air Act 1956 , which ended the " pea soup fogs " for which London had been notorious, and had earned it the nickname the "Big Smoke". Starting mainly in the mid-1960s, London became a centre for worldwide youth culture , exemplified by the Swinging London sub-culture associated with
10560-564: The nominating bodies changed. The board compulsorily acquired the eight major London water companies: Also acquired were the water undertakings of Tottenham and Enfield Urban District Councils, and the Staines Reservoirs Joint Committee . Starting in October 1903 a series of arbitration hearings was convened to determine the amount of compensation payable to the water companies. The eventual amount paid to
10680-644: The north and eastern parts of the county being within the Danelaw . There is little evidence however of Norse placenames within this region, and many of the Anglo-Saxon features remained intact to this day. The county however suffered from renewed Norse raids in the late 10th to early 11th centuries, as armies led by Danish kings Swein Forkbeard and Cnut the Great harried the country as part of their attempts to undermine and overthrow English king Athelred
10800-490: The north and west of the county, forming the Chiltern Hills and the younger Palaeocene , Reading Beds and Eocene , London Clay which occupy the remaining southern part. The eastern half of the county was covered by glaciers during the Ice Age and has a superficial layer of glacial boulder clays . Much of the west – and much more in the east – have richly diverse countryside. These range from beech woods of
10920-467: The old Roman city. By about 680 the city had become a major port again, but there is little evidence of large-scale production. From the 820s repeated Viking assaults brought decline. Three are recorded; those in 851 and 886 succeeded, while the last, in 994, was rebuffed. The Vikings applied Danelaw over much of eastern and northern England, its boundary running roughly from London to Chester as an area of political and geographical control imposed by
11040-439: The principal city of the Roman province of Britannia in 100. At its height in the 2nd century, Roman London had a population of about 60,000. With the early 5th-century collapse of Roman rule, the walled city of Londinium was effectively abandoned, although Roman civilisation continued around St Martin-in-the-Fields until about 450. From about 500, an Anglo-Saxon settlement known as Lundenwic developed slightly west of
11160-472: The provisions of the Metropolis Water Act 1902 . The board, which first met on 2 April 1903, had 67 members; 65 of these were nominated by local authorities, who appointed a paid chairman and vice-chairman. The nominating bodies were: The first Metropolitan Water Board retired on 1 June 1907, with a new board being nominated every three years thereafter. As local government changes took place,
11280-591: The purple star-shaped flower with yellow stamens, the Pasqueflower is among endemic county flowers . The rocks of Hertfordshire belong to the great shallow syncline known as the London Basin . The beds dip in a south-easterly direction towards the syncline's lowest point roughly under the River Thames . The most important formations are the Cretaceous Chalk , exposed as the high ground in
11400-466: The resources, and it was rapidly developing the dignity and the political self-consciousness appropriate to a national capital ." After winning the Battle of Hastings , William, Duke of Normandy was crowned King of England in newly completed Westminster Abbey on Christmas Day 1066. William built the Tower of London , the first of many such in England rebuilt in stone in the south-eastern corner of
11520-641: The rest of Britain, with Lyons , who opened the first of their chain of teashops in Piccadilly in 1894, leading the way. The tearooms, such as the Criterion in Piccadilly, became a popular meeting place for women from the suffrage movement. The city was the target of many attacks during the suffragette bombing and arson campaign , between 1912 and 1914, which saw historic landmarks such as Westminster Abbey and St Paul's Cathedral bombed. London
11640-460: The royal treasury came to rest in the Tower . While the City of Westminster developed into a true governmental capital, its distinct neighbour, the City of London , remained England's largest city and principal commercial centre and flourished under its own unique administration, the Corporation of London . In 1100, its population was some 18,000; by 1300 it had grown to nearly 100,000. With
11760-528: The same town, Airbus (Defence & Space Division) produces satellites. Hatfield was where de Havilland developed the first commercial jet liner, the Comet . Now the site is a business park and new campus for the University of Hertfordshire . This major employment site notably hosts EE , Computacenter and Ocado groceries and other goods e-commerce. Welwyn Garden City hosts Tesco 's UK base, hosts
11880-409: The scale of Luton or Milton Keynes , whose populations exceed 200,000, but its overall population (1.2 million in 2021) is greater than those of the two aforementioned counties. The River Lea near Harpenden runs through Wheathampstead , Welwyn Garden City, Hertford, Ware, and Broxbourne before reaching Cheshunt and ultimately the River Thames. The far west of the county is the most hilly, with
12000-546: The sea. London is the seat of the Government of the United Kingdom . Many government departments, as well as the prime minister's residence at 10 Downing Street , are based close to the Palace of Westminster , particularly along Whitehall . There are 75 members of Parliament (MPs) from London; As of June 2024 , 59 are from the Labour Party , 9 are Conservatives , 6 are Liberal Democrats and one constituency
12120-479: The shareholders of the water companies was £46,939,258 (equivalent to £6.39 billion in 2023) in "water stock", which paid a 3% annual dividend for 80 years. The Metropolitan Water Board officially took over from the private water companies on 24 June 1904, except for the New River Company which was transferred on 25 July. At 559 square miles (1,450 km), the board's area, or "limits of supply",
12240-595: The shortcomings of Railtrack , and resulted in speed restrictions and major track replacement. On 10 May 2002, seven people died in the fourth of the Potters Bar rail accidents ; the train was travelling at high speed when it derailed and flipped into the air when one of the carriages slid along the platform where it came to rest. In early December 2005, there were explosions at the Hertfordshire Oil Storage Terminal at Buncefield on
12360-541: The south bank of the Thames, where the now-underground River Effra flows into the Thames. Despite the evidence of scattered Brythonic settlements in the area, the first major settlement was founded by the Romans around 47 AD, about four years after their invasion of 43 AD. This only lasted until about 61 AD, when the Iceni tribe led by Queen Boudica stormed it and burnt it to the ground. The next planned incarnation of Londinium prospered, superseding Colchester as
12480-424: The start of 2018 to mid April 2018. Funding cuts to police in London are likely to have contributed to this, though other factors are involved. However, homicide figures fell in 2022 with 109 recorded for the year, and the murder rate in London is much lower than other major cities around the world. London, also known as Greater London , is one of nine regions of England and the top subdivision covering most of
12600-753: The theatres in the 1640s. The ban on theatre was lifted during the Restoration in 1660, and London's oldest operating theatre, Drury Lane , opened in 1663 in what is now the West End theatre district. By the end of the Tudor period in 1603, London was still compact. There was an assassination attempt on James I in Westminster, in the Gunpowder Plot of 5 November 1605. In 1637, the government of Charles I attempted to reform administration in
12720-715: The unique governmental status of the City . In the English Civil War , the majority of Londoners supported the Parliamentary cause. After an initial advance by the Royalists in 1642, culminating in the battles of Brentford and Turnham Green , London was surrounded by a defensive perimeter wall known as the Lines of Communication . The lines were built by up to 20,000 people, and were completed in under two months. The fortifications failed their only test when
12840-413: The world's busiest city airport system . The London Underground is the world's oldest rapid transit system. London's diverse cultures encompass over 300 languages. The 2023 population of Greater London of just under 10 million made it Europe's third-most populous city , accounting for 13.4% of the United Kingdom's population and over 16% of England's population. The Greater London Built-up Area
12960-468: The world's major financial centres . It hosts Europe's largest concentration of higher education institutions , some of which are the highest-ranked academic institutions in the world: Imperial College London in natural and applied sciences , the London School of Economics in social sciences , and the comprehensive University College London . It is the most visited city in Europe and has
13080-639: The world's three most influential global cities . In January 2015, Greater London's population was estimated to be 8.63 million, its highest since 1939. During the Brexit referendum in 2016, the UK as a whole decided to leave the European Union , but most London constituencies voted for remaining. However, Britain's exit from the EU in early 2020 only marginally weakened London's position as an international financial centre. The administration of London
13200-1078: Was bombed by the Germans in the First World War , and during the Second World War , the Blitz and other bombings by the German Luftwaffe killed over 30,000 Londoners, destroying large tracts of housing and other buildings across the city. The tomb of the Unknown Warrior , an unidentified member of the British armed forces killed during the First World War, was buried in Westminster Abbey on 11 November 1920. The Cenotaph , located in Whitehall ,
13320-555: Was watercress , based in Hemel Hempstead and Berkhamsted supported by reliable, clean chalk rivers. This is a table of trends of regional gross value added of Hertfordshire at current basic prices with figures in millions of British Pounds Sterling. Hertfordshire has the main operational and/or headquarters UK site of some very large employers. Clockwise from north: In Stevenage (a subsidiary of: BAE Systems , Airbus and Finmeccanica ) MBDA , develops missiles . In
13440-538: Was abolished in 1974 when control was transferred to the Thames Water Authority , which was subsequently re-privatised as Thames Water . Water supply in the London area was regulated by local acts and royal charters on a piecemeal basis from 1543. Through amalgamation, by 1830 there were six companies supplying water north of the Thames: and four to the south of the river Following complaints,
13560-945: Was considerably larger than the 116-square-mile (300 km) administrative County of London. The limits were to be the same as the area supplied by the various undertakings acquired with the addition of the parishes of Sunbury , Middlesex and Chessington , Surrey . It comprised the entire county of London and much of Middlesex, with outer boundaries at Cheshunt in Hertfordshire , Loughton and East Ham in Essex , Dartford and Foots Cray in Kent, and Malden , Surbiton , Esher and Kingston upon Thames in Surrey . The 1911 Encyclopædia Britannica described "Water London" as "an irregular area extending from Ware in Hertfordshire to Sevenoaks in Kent, and westward as far as Ealing and Sunbury." The Metropolitan Water Board abstracted water from
13680-656: Was invaded and colonised by the Anglo-Saxons . By the 6th century, the majority of the modern county was part of the East Saxon kingdom. This relatively short-lived kingdom collapsed in the 9th century, ceding the territory of Hertfordshire to the control of the West Anglians of Mercia . The region finally became an English shire in the 10th century, on the merger of the West Saxon and Mercian kingdoms. In
13800-479: Was limited to 300 million gallons per day (15.785 m/s). When the flow of the Thames over Teddington Weir was less than 170 million gallons a day (8.945 m/s) no abstraction was authorised except with the permission of the Local Government Board . If the flow was less than 140 million gallons (7.366 m/s) no abstraction was allowed. If the flow over Penton Hook weir was less than 285 million gallons
13920-437: Was once a common sight throughout London and regional cities in the UK. The British Transport Police are responsible for police services on National Rail , London Underground , Docklands Light Railway and Tramlink services. The Ministry of Defence Police is a special police force in London, which does not generally become involved with policing the general public. The UK's domestic counter-intelligence service ( MI5 )
14040-465: Was supervised by polymath Robert Hooke . In 1710, Christopher Wren 's masterpiece, St Paul's Cathedral , was completed, replacing its medieval predecessor that burned in the Great Fire of 1666. The dome of St Paul's dominated the London skyline for centuries, inspiring the artworks and writing of William Blake , with his 1789 poem " Holy Thursday " referring to 'the high dome of Pauls'. During
14160-409: Was taken until the Metropolis Water Act 1852 introduced regulation of the supply companies; including minimum standards of water quality for the first time. A further Royal commission reported in 1869 and recommended that the supply should be taken into public management. The Metropolis Water Act 1871 introduced further regulation, but fell short of taking the supply into public control. In the meantime
14280-595: Was the area assigned to a fortress constructed at Hertford under the rule of Edward the Elder . Hertford is derived from the Anglo-Saxon heort ford, meaning deer crossing (of a watercourse). The name Hertfordshire is first recorded in the Anglo-Saxon Chronicle in 1011. Deer feature in many county emblems. Many of the names of the current settlements date back to the Anglo-Saxon period, with many featuring standard placename suffixes attributed to
14400-524: Was unveiled on the same day, and is the focal point for the National Service of Remembrance held annually on Remembrance Sunday , the closest Sunday to 11 November. The 1948 Summer Olympics were held at the original Wembley Stadium , while London was still recovering from the war. From the 1940s, London became home to many immigrants, primarily from Commonwealth countries such as Jamaica, India, Bangladesh and Pakistan, making London one of
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