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The Plaza Bridge in Ottawa , Ontario , Canada , is an automotive and pedestrian bridge that crosses the Rideau Canal just south of the Ottawa locks. It joins Wellington Street and Elgin Street in the Downtown core to the west with Rideau Street to the east. The Chateau Laurier abuts the bridge at the east end, while Parliament Hill is just beyond the west end. It is the northernmost bridge over the canal, just north of the Mackenzie King Bridge .

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85-621: The bridge is constructed of three masonry spans. The western span is over a roadway along the western bank of the Canal. The central span is over the Canal. The eastern span is over a former railway tunnel running along the east bank of the Canal. Sappers Bridge was one of Ottawa's first bridges ( Bytown at the time), built in 1827 over the Rideau Canal connecting Rideau Street in Lower Town with Upper Town. The bridge got its name from

170-457: A horsecar system, overtaken in the 1890s by a vast electric streetcar system that operated until 1959. The Hull–Ottawa fire of 1900 destroyed two-thirds of Hull, including 40 percent of its residential buildings and most of the buildings of its largest employers along the waterfront. It began as a chimney fire in Hull on the north side of the river, but due to wind, spread rapidly throughout

255-476: A land claim submitted by the Algonquins of Ontario regarding the unceded status of the land on which Ottawa is situated. Negotiations have been ongoing, with an eventual goal to sign a treaty that would release Canada from claims for misuse of land under Algonquin title , affirm rights of the Algonquins, and negotiate conditions of the title transfer. Ottawa's city limits have expanded over time, including

340-431: A "jocular reference" during a small dinner party of some officers, and it appears on official correspondence dated 1828. Joseph Bouchette in the summer of 1828 wrote: The streets are laid out with much regularity, and of a liberal width that will hereafter contribute to the convenience, salubrity and elegance of the place. The number of houses now built is about 150, most of which are constructed of wood; frequently in

425-544: A 16-year mandate. From 1931 to 1958, City Hall had been at the Transportation Building adjacent to Union Station (now part of the Rideau Centre ). In 1958, a new City Hall opened on Green Island near Rideau Falls, where urban renewal had recently transformed this industrial location into a green space. In 2001, Ottawa City Hall returned downtown to a 1990 building on 110 Laurier Avenue West,

510-606: A broad Indigenous people who are closely related to the Odawa and Ojibwe peoples. This period ended with the arrival of settlers and colonization of North America by Europeans during and after the 15th century. In 1610, Étienne Brûlé became the first documented European to navigate the Ottawa River , passing what would become Ottawa on his way to the Great Lakes . Three years later, Samuel de Champlain wrote about

595-503: A crucial role in shaping the development of the city. Around the main urban area is an extensive greenbelt , administered by the NCC for conservation and leisure, and comprising mostly forest, farmland and marshland. In the 2021 Census of Population conducted by Statistics Canada , Ottawa had a population of 1,017,449 living in 407,252 of its 427,113 total private dwellings, a change of 8.9% from its 2016 population of 934,243 . With

680-697: A day below freezing at night every other year, conversely a day surpassing 30 °C Annual rainfall averages around 750mm per year, total precipitation 938mm spread throughout the year, with some variation. May through November are the months more likely to see significant precipitation events, with each month having an average of 3 days of over 1 cm of precipitation, with December through April seeing on average 1–2 days. May through November have, on average, over 8 cm of rainfall per month, with peaks of approximately 9 cm in June and September. December through April have less than 8 cm, with February being

765-678: A diesel-powered light rail transit (LRT) line was introduced on an experimental basis. Known today as the Trillium Line , it was dubbed the O-Train and connected downtown Ottawa to the southern suburbs via Carleton University . The decision to extend the O-Train, and to replace it with an electric light rail system, was a major issue in the 2006 municipal elections , where Chiarelli was defeated by businessman Larry O'Brien . After O'Brien's election, transit plans were changed to establish

850-569: A group of settlers responsible for the creation of a new road to Richmond, Ontario stayed there. The road became Richmond Road and Richmond Landing acquired its name. Sergeant Hill, had directed the creation of Richmond Road, Ottawa's first thoroughfare, a road which contained tree stumps, whose origin likely began at a portage trail bypassing the Chaudière Falls. Richmond Landing was an area where those heading to and from Richmond could dock and receive correspondence and supplies from

935-517: A large expansion effective 1 January 2001, when the province of Ontario amalgamated all the constituent municipalities of the Regional Municipality of Ottawa–Carleton into a single city. Regional Chair Bob Chiarelli was elected as the new city's first mayor in the 2000 municipal election , defeating Gloucester mayor Claudette Cain. The city's growth led to strains on the public transit system and road bridges. On 15 October 2001,

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1020-534: A legislative solution to the location of the capital. The governor-general of the province had designated Kingston as the capital in 1841. However, the major population centres of Toronto and Montreal , as well as the former capital of Lower Canada, Quebec City , all had legislators dissatisfied with Kingston. Anglophone merchants in Quebec were the leading group supportive of the Kingston arrangement. In 1842,

1105-532: A log cabin and store on the south shore of the Ottawa River, near the Chaudière Falls area. Later the property was acquired by Caleb T. Bellows, an assistant in the store. Collins is credited as the first settler of what would become Bytown. And by 1819, the little settlement at the landing got its first tavern operated by the Firths. The settlement was named Bellows Landing until the fall of 1818, when

1190-452: A result of the construction of the Rideau Canal and grew largely due to the Ottawa River timber trade . Bytown's first mayor was John Scott , elected in 1847. Bytown was located where the Rideau Canal meets the Ottawa River and consisted of two parts centered around the canal, Upper Town and Lower Town. Upper Town, situated to the west of the canal, was situated in the area of the current downtown and Parliament Hill . Lower Town

1275-569: A series of light rail stations from the east side of the city into downtown, and for using a tunnel through the downtown core. Jim Watson , the last mayor of Ottawa before amalgamation, was re-elected in the 2010 election . In October 2012, the City Council approved the final Lansdowne Park plan, an agreement with the Ottawa Sports and Entertainment Group that saw a new stadium, increased green space and housing and retail added to

1360-657: A style of neatness and taste that reflects great credit upon the Inhabitants. On the elevated banks of the Bay, the Hospital, an extensive stone building, and three Barracks stand conspicuous; nearly on a level with them, and on the eastern side of the Bay, is the residence of Colonel By, Command Royal Engineer at that Station. Colonel By laid out the streets of Bytown, a pattern that mostly exists today. Wellington Street , Rideau Street , Sussex and Sparks Street were some of

1445-467: A vote rejected Kingston as the capital, and study of potential candidates included the then-named Bytown, but that option proved less popular than Toronto or Montreal. In 1843, a report of the Executive Council recommended Montreal as the capital as a more fortifiable location and commercial centre; however, the governor-general refused to execute a move without a parliamentary vote. In 1844,

1530-591: Is 26.7 °C (80 °F). The average January minimum temperature is −14.0 °C (6.8 °F). The highest temperature ever recorded in Ottawa was 37.8 °C (100 °F) on 4 July 1913, 1 August 1917 and 11 August 1944. Summers are generally warm and humid in Ottawa. On average, there are 11 days across the three summer months of June, July and August that have temperatures exceeding 30 °C (86 °F). Periods of hotter weather are normally accompanied by high humidity levels Snow and ice are dominant during

1615-621: Is situated on the south bank of the Ottawa River and contains the mouths of the Rideau River and Rideau Canal . The Rideau Canal (Rideau Waterway) first opened in 1832 and is 202 km (126 mi) long. It connects the Saint Lawrence River on Lake Ontario at Kingston to the Ottawa River near Parliament Hill. It was able to bypass the unnavigable sections of the Cataraqui and Rideau rivers and various small lakes along

1700-453: Is the former name of Ottawa , Ontario , Canada. It was founded on September 26, 1826, incorporated as a town on January 1, 1850, and superseded by the incorporation of the City of Ottawa on January 1, 1855. The founding was marked by a sod turning , and a letter from Governor General Dalhousie which authorized Lieutenant Colonel John By to divide up the town into lots. Bytown came about as

1785-748: The Grand Trunk Railway opened both the Château Laurier hotel and its neighbouring downtown Union Station . On 3 February 1916, the Centre Block of the Parliament buildings was destroyed by a fire . The House of Commons and Senate was temporarily relocated to the recently constructed Victoria Memorial Museum, now the Canadian Museum of Nature until the completion of the new Centre Block in 1922. The centrepiece of

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1870-703: The National Arts Centre , the National Gallery of Canada ; and numerous national museums , monuments, and historic sites. It is one of the most visited cities in Canada, with over 11 million visitors annually contributing more than $ 2.2B to the city's economy. The city name Ottawa was chosen in 1855 in reference to the Ottawa River , whose name is itself derived from the Algonquin adawe , meaning "to trade." In modern Algonquin,

1955-594: The Parliament of Canada , the Supreme Court , the residence of Canada's viceroy , and Office of the Prime Minister . Founded in 1826 as Bytown , and incorporated as Ottawa in 1855, its original boundaries were expanded through numerous annexations and were ultimately replaced by a new city incorporation and amalgamation in 2001. The municipal government of Ottawa is established and governed by

2040-605: The Queen 's acceptance of a parliamentary vote moved the capital to Montreal. In 1849, after violence in Montreal , a series of votes was held, with Kingston and Bytown again considered potential capitals. However, the successful proposal was for two cities to share capital status and the legislature to alternate sitting in each: Quebec City and Toronto, in a policy known as perambulation. Logistical difficulties made this an unpopular arrangement, and although an 1856 vote passed for

2125-606: The Russell Hotel and Ottawa's first City Hall, existed in the place of today's National War Memorial . In the 1930s, the memorial was erected and Elgin Street was rerouted around the Cenotaph, southbound traffic along the west side of the square and the northbound section along the path of the southern bridge. The bridge was also widened at that time. In the 1990s, the bridge structure was renovated, adding an extra access to

2210-563: The United Counties of Stormont, Dundas and Glengarry ; and on the north by the Regional County Municipality of Les Collines-de-l'Outaouais and the City of Gatineau. The main suburban areas extend a considerable distance to the east, west and south of the inner-city. These areas also include the former cities of Cumberland, Gloucester, Kanata and Nepean. The towns of Stittsville and Richmond within

2295-462: The War of 1812 . Colonel By set up military barracks on the site of today's Parliament Hill . He also laid out the streets of the town and created two distinct neighbourhoods named "Upper Town" west of the canal and " Lower Town " east of the canal. Similar to its Upper Canada and Lower Canada namesakes, historically, "Upper Town" was predominantly English-speaking and Protestant, whereas "Lower Town"

2380-418: The ethnic enclaves of Chinatown and Little Italy . Modern Ottawa is made up of eleven historic townships, ten of which are from the former Carleton County and one from the former Russell County . Ottawa city limits are bounded on the east by the United Counties of Prescott and Russell ; by Renfrew County and Lanark County in the west; on the south by the United Counties of Leeds and Grenville and

2465-712: The 1850s, entrepreneurs known as lumber barons began to build large sawmills, which became some of the largest mills in the world. Rail lines built in 1854 connected Ottawa to areas south and, from 1886 to the transcontinental rail network via Hull and Lachute , Quebec. By 1885 Ottawa was the only city in Canada whose downtown street-lights were powered entirely by electricity. In 1889, the Government developed and distributed 60 "water leases" (still in use) to mainly local industrialists which gave them permission to generate electricity and operate hydroelectric generators at Chaudière Falls . Public transportation began in 1870 with

2550-520: The 82 kilometres (50 miles) to Prescott on the Saint Lawrence River and beyond. Ottawa's small size was also thought to be less prone to politically motivated mob violence, as had happened in the previous Canadian capitals . Finally, the government already owned the land that eventually became Parliament Hill , which it thought would be an ideal location for the Parliament buildings. The original Parliament buildings, which included

2635-586: The Centre, East and West Blocks, were constructed between 1859 and 1866 in the Gothic Revival style . At the time, this was the largest North American construction project ever attempted and Public Works Canada and its architects were not initially well prepared for the relatively shallow-lying bedrock and had to redesign architectural drawings, leading to delays. The Library of Parliament and Parliament Hill landscaping were completed in 1876. Starting in

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2720-731: The Chateau Laurier and continuing on towards the Royal Alexandra Interprovincial Bridge . The bridge itself was part of this new centralized railway station. By late July 1912, the Sappers' Bridge was demolished to allow for the development of Connaught Place (now Confederation Square) In 1915, two of its stones were placed on the site of Colonel By 's home in Major's Hill Park . The Dufferin Bridge

2805-582: The City of Ottawa Act of the Government of Ontario . It has an elected city council across 24 wards and a mayor elected city-wide. Ottawa has the highest proportion of university-educated residents among Canadian cities and is home to several colleges and universities, research and cultural institutions, including the University of Ottawa , Carleton University , Algonquin College , Collège La Cité ,

2890-732: The National Capital Region, to make it more aesthetically pleasing and a location more befitting for Canada's political centre. Greber's plan included the creation of the National Capital Greenbelt , the Kichi Zibi Mikan and the Queensway highway system. His plan also called for changes in institutions such as moving downtown Union Station (now the Senate of Canada Building ) to the suburbs,

2975-530: The Parliament Buildings' gothic revival architecture. Ottawa's domestic architecture contains single-family homes, but also includes smaller numbers of semi-detached houses, rowhouses , and apartment buildings . Many domestic buildings in Centretown are clad in red brick, with trim in wood, stone, or metal; variations are common, depending on the cultural heritage of the neighbourhoods and

3060-592: The Rideau Canal, immediately south of the bridge. With the completion of the Alexandra Bridge rail traffic passed from the station onto Hull. Between 1910 and 1912, the area saw extensive construction, principally the construction of the Union Station and the Chateau Laurier, as well as the need to move railway traffic along the canal's eastern side, under the bridge bypassing the west side of

3145-477: The builders, the Royal Sappers and Miners . It was demolished in mid 1912. The current Plaza Bridge connecting Rideau Street with Wellington Street near the Rideau Centre stands roughly in its location. On September 26, Dalhousie presented Colonel By , the overseer of the construction of the Rideau Canal , with a letter authorizing him to divide the land into lots, and sod was turned. Construction of

3230-410: The bustling commercial and cultural areas of Old Ottawa South, Centretown , Lower Town , and Sandy Hill , the affluent tree-lined neighbourhoods of The Glebe , Westboro , and New Edinburgh , and the historically blue-collar communities of Hintonburg , Mechanicsville , Carlington , and LeBreton Flats , with a mixture of housing types, artist lofts, and industrial uses. The old city also includes

3315-471: The canal and the rivers. Across the canal to the west lie both Centretown and Downtown Ottawa , which share a border along Gloucester Street. These core neighbourhoods contain streets such as Elgin and Bank , which fill the role of commercial main streets in the region. Centretown is next to downtown, which includes a substantial economic and architectural government presence across multiple branches of government. The legislature 's work takes place in

3400-683: The canal via a staircase in the area between the original two bridges. The Sapper's Bridge memorial was erected by the Canadian Military Engineer Centennial 1903-2003 Committee and the National Capital Commission . The plaques, which were unveiled on April 29, 2004, are dedicated in honour of a century of contributing service by Canadian Military engineers. 45°25′30″N 75°41′44″W  /  45.424932°N 75.695457°W  / 45.424932; -75.695457 Bytown Bytown

3485-661: The canal's entrance took place in 1827, dividing Upper Town from Lower town. Colonel By laid the cornerstone. Construction proceeded in September 1827 and was finished in December. The stone arch bridge was constructed by 15th Company of the Royal Sappers and Miners . The eastern end connected directly to Rideau Street, and its western side joined with a wagon trail leading to Wellington and Bank Streets. The land east of Bank Street had been acquired from Nicholas Sparks by

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3570-618: The city is known as Odàwàg . The Ottawa Valley became habitable around 10,000 years ago, following the natural draining of the Champlain Sea . Archaeological findings of arrowheads, tools and pottery indicate that Indigenous populations first settled in the area about 6,500 years ago. These findings suggest that these Algonquin people were engaged in foraging, hunting and fishing, but also trade and travel. Three major rivers meet within Ottawa, making it an important trade and travel area for thousands of years. The Algonquins are

3655-778: The city of Gatineau , itself the result of amalgamation of the former Quebec cities of Hull and Aylmer . Although formally and administratively separate cities in two different provinces, Ottawa and Gatineau (along with several nearby municipalities) collectively constitute the National Capital Region , which is considered a single metropolitan area. One federal Crown corporation , the National Capital Commission, or NCC, has significant land holdings in both cities, including sites of historical and touristic importance. The NCC, through its responsibility for planning and development of these lands, has

3740-444: The completion of the canal, which was under construction between 1826 and 1832. 45°25′28″N 75°41′41″W  /  45.42451°N 75.694817°W  / 45.42451; -75.694817 Ottawa Ottawa is the capital city of Canada . It is located in the southern portion of the province of Ontario , at the confluence of the Ottawa River and the Rideau River . Ottawa borders Gatineau, Quebec , and forms

3825-575: The core of the Ottawa–Gatineau census metropolitan area (CMA) and the National Capital Region (NCR). As of 2021, Ottawa had a city population of 1,017,449 and a metropolitan population of 1,488,307, making it the fourth-largest city and fourth-largest metropolitan area in Canada. Ottawa is the political centre of Canada and the headquarters of the federal government. The city houses numerous foreign embassies , key buildings, organizations, and institutions of Canada's government ; these include

3910-562: The dock by boats providing items for the settlements. Corktown, not a town at all, was a series of shanties along the "Deep Cut" section of the Rideau Canal in Ottawa which existed during its construction and were erected by some of its Irish labourers. Many of the workers came penniless from County Cork in Ireland , giving it its name. The settlement along both sides of the canal was allowed by Colonel By due to their desperate poverty and inability to pay rent. These men, separated from

3995-505: The driest month at an average of 5 cm of precipitation. Ottawa experiences about 2,080 hours of average sunshine annually (45% of possible). Predominate wind direction in Ottawa is from the West , Easterly air flow is more common during periods of wet weather as well as localized river/lake-effect cells on summer afternoons. Windspeed is on average higher during the winter, with northerly winds predominating during cold waves. Ottawa

4080-447: The earliest streets in use. Sappers Bridge actually connected Sparks Street to Rideau Street at that time. Nicholas Sparks owned Bytown's land west of the canal, except for the lands north of Wellington, which were considered "Ordnance" lands. The area east of Bank Street to the canal was acquired by the military and not used for houses for around two decades, after which it was returned to him. The Ottawa River timber trade spurred

4165-406: The federally defined National Capital Region but outside the city of Ottawa municipal boundaries; these include communities of Almonte , Carleton Place , Embrun , Kemptville , Rockland , and Russell . Influenced by government structures, much of the city's architecture tends to be formal and functional ; the city is also marked by Romantic and Picturesque styles of architecture such as

4250-613: The first city clerk, serving from 1844 to 1891, guiding Ottawa through 36 years of development, leading the hiring of key municipal roles, founding civic organizations, and proposing a set of by-laws for the city. The selection of Ottawa as the capital of Canada predates the Confederation of Canada. The choice was contentious and not straightforward, with the parliament of the United Province of Canada holding more than 200 votes over several decades to attempt to settle on

4335-672: The first session of Parliament held in the new buildings in 1866. The buildings were generally well received by legislators. Ottawa was chosen as the capital for two primary reasons. First, Ottawa's isolated location, surrounded by dense forest far from the Canada–US border and situated on a cliff face, would make it more defensible from attack. Second, Ottawa was approximately midway between Toronto and Kingston (in Canada West ) and Montreal and Quebec City (in Canada East ), making

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4420-622: The former Goulbourn Township are to the southwest. Nepean as a suburb also includes Barrhaven . The communities of Manotick and Riverside South are on the other side of the Rideau River, and Greely , southeast of Riverside South. A number of rural communities (villages and hamlets ) are administratively part of the Ottawa municipality. Some of these communities are Burritts Rapids ; Ashton ; Fallowfield ; Kars ; Fitzroy Harbour ; Munster ; Carp ; North Gower ; Metcalfe ; Constance Bay and Osgoode . Several towns are within

4505-487: The former city of Vanier , a densely populated, historically francophone, working class enclave, and the former village of Rockcliffe Park , a wealthy residential neighbourhood adjacent to the Prime Minister's official residence at 24 Sussex and the Governor General's residence. The old city includes the downtown core and older neighbourhoods to the east, west, and south. These vibrant neighbourhoods include

4590-581: The growth of Bytown, and it saw an influx of immigrants, and later entrepreneurs hoping to profit from the squared timber that would be floated down the Ottawa River to Quebec. Bytown had seen some trouble in the early days, first with the Shiners' War in 1835 to 1845, and the Stony Monday Riot in 1849. Some early buildings that still stand had been erected in Bytown. In 1826, Thomas McKay

4675-494: The home of the now-defunct Regional Municipality of Ottawa-Carleton . This new location was close to Ottawa's first (1849–1877) and second (1877–1931) City Halls. This new city hall complex also contained an adjacent 19th-century restored heritage building formerly known as the Ottawa Normal School . From the 1960s to the 1980s, there was a large increase in construction in the National Capital Region, which

4760-619: The lands to Sparks through the Vesting Act, the major obstacle to incorporation was removed. Bytown was initially incorporated on July 28, 1847, and sanctioned by both the Legislative Assembly and the governor, but eventually this was disallowed by the Queen, possibly due to the perceived threat to Ordnance. An act of the Legislative Assembly further facilitated the incorporation of municipalities, and on January 1, 1850, Bytown

4845-425: The lower house of parliament to relocate permanently to Quebec City, the upper house refused to approve funding. The funding impasse led to the ending of the legislature's role in determining the seat of government. The legislature requested the Queen determine the seat of government. The Queen then acted on the advice of her governor general Edmund Head , who, after reviewing proposals from various cities, selected

4930-416: The military, who returned it to him in late 1849, where he commenced its development. Thereafter, Sappers' Bridge became connected directly to Sparks Street. The bridge was modified in the early 1870s with the construction of the Dufferin Bridge. Around the turn of the century, a hole was blasted in Sappers' Bridge to allow for rail traffic to pass. A railway station (predating Union Station) was built east of

5015-436: The new Parliament Buildings is a dominant Gothic Revival-styled structure known as the Peace Tower . The location of what is now Confederation Square was a former commercial district centrally located in a triangular area downtown surrounded by historically significant heritage buildings, including the Parliament buildings. It was redeveloped as a ceremonial centre in 1938 as part of the City Beautiful Movement . It became

5100-412: The others, had done some of the hard labour required of the canal's construction. They built turf or log shanties along the muddy bank, and possibly without sanction extended the settlement as far as through the Lower Town swamp and the banks of the Rideau River . Eventually women and children moved to the area living among the approximately 150 houses built by 1829. Corktown disappeared shortly after

5185-416: The outside world. A tavern constructed in 1819, whose existence had been shown since Bytown's earliest maps, was excavated prior to the construction of the Canadian War Museum whose east side currently covers it. Early maps also show the locations of buildings, and a Governmental store, constructed later. A buildings had been requested by early settlers to hold items that had previously been left near or on

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5270-441: The parliamentary precinct, which includes buildings on Parliament Hill and others downtown, such as the Senate of Canada Building . Important buildings in the executive branch include the Office of the Prime Minister and Privy Council as well as many civil service buildings. The Supreme Court of Canada building can also be found in this area. Across the Ottawa River, which forms the border between Ontario and Quebec , lies

5355-413: The recently renamed Ottawa. The Queen sent a letter to colonial authorities selecting Ottawa as the capital, effective 31 December 1857. George Brown , briefly a co-premier of the Province of Canada, attempted to reverse this decision but was unsuccessful. The Parliament ratified the Queen's choice in 1859, with Quebec serving as interim capital from 1859 to 1865. The relocation process began in 1865, with

5440-416: The removal of the street car system, the decentralization of selected government offices, the relocation of industries and removal of substandard housing from the downtown. The plan also recommended the creation of the Rideau Canal and Ottawa River pathways. In 1958, the National Capital Commission was established as a Crown Corporation through the National Capital Act. The commission's original mission

5525-472: The renovation of the Senate Building . Most of the federal land in the region is managed by the National Capital Commission; its control of much undeveloped land and appropriations powers gives the NCC a great deal of influence over the city's development. Ottawa has a warm-summer humid continental climate ( Köppen : Dfb ) with four distinct seasons and is between Zones 5a and 5b on the Canadian Plant Hardiness Scale. The average July maximum temperature

5610-415: The selection an important political compromise. Other minor considerations included that despite Ottawa's regional isolation, there was water transportation access from spring to fall, both to Montreal via the Ottawa River, and to Kingston via the Rideau Waterway . Additionally, by 1854 it also had a modern all-season railway (the Bytown and Prescott Railway ) that carried passengers, lumber and supplies

5695-544: The site of the National War Memorial in 1939 and was designated a National Historic Site in 1984. A new Central Post Office (now the Privy Council of Canada ) was constructed in 1939 beside the War Memorial because the original post office building on the proposed Confederation Square grounds had to be demolished. Ottawa's former industrial appearance was vastly altered by the 1950 Greber Plan . Prime Minister Mackenzie King hired French architect-planner Jacques Greber to design an urban plan for managing development in

5780-442: The site. In December 2012, City Council voted unanimously to move forward with the Confederation Line , a 12.5 km (7.8 mi) light rail transit line, which was opened on 14 September 2019. The present-day city of Ottawa consists of the historic main urban area , as well as other urban, suburban and rural areas within the city's post-amalgamation limits. Old Ottawa refers to the former pre-amalgamation city, as well as

5865-557: The time they were built. The skyline has been controlled by building height restrictions originally implemented to keep Parliament Hill and the Peace Tower at 92.2 m (302 ft) visible from most parts of the city. Today, several buildings are slightly taller than the Peace Tower, with the tallest being the Claridge Icon at 143 metres (469 ft). Many federal buildings in the National Capital Region are managed by Public Works Canada , which leads to heritage conservation in its renovations and management of buildings, such as

5950-429: The town did not become incorporated until much later. Various attempts at incorporation had been initiated since 1845. The Ordnance Department had held lands in the town's core (dividing Upper Town from Lower Town), lands which had been the property of Nicholas Sparks. These lands were considered by many to be blocking economic progress as well as being held for speculative reasons only. When Ordnance eventually returned

6035-422: The town was named after British military engineer Colonel John By who was responsible for the entire Rideau Waterway construction project. The Rideau canal provided a secure route between Montreal and Kingston on Lake Ontario. It bypassed a vulnerable stretch of the St. Lawrence River bordering the state of New York that had left re-supply ships bound for southwestern Ontario easily exposed to enemy fire during

6120-538: The waterfalls in the area and about his encounters with the Algonquin people. The first non-Indigenous settlement in the area was created by Philemon Wright , a New Englander . Wright founded a lumber town in the area on 7 March 1800 on the north side of the river, across from the present-day city of Ottawa in Hull . He, with five other families and twenty-five labourers , also created an agricultural community, which

6205-434: The waterway due to flooding techniques and the construction of 47 water transport locks. Ottawa is situated in a lowland on top of Paleozoic carbonate and shale and is surrounded by more craggy Precambrian igneous and metamorphic formations. Ottawa has had fluvial deposition of till and sands, leading to the widespread formation of eskers . There are limited distinct features arising from glacial deposits, but Ottawa

6290-577: The widespread wooden buildings. In Ottawa, it destroyed about one-fifth of the buildings from the Lebreton Flats south to Booth Street and down to Dow's Lake . The fire had a disproportionate effect on west-end lower-income neighbourhoods. It had also spread among many lumber yards, a major part of Ottawa's economy. The fire destroyed approximately 3200 buildings and caused an estimated $ 300 million in damage (in 2020 Canadian dollars). An estimated 14% of Ottawans were left homeless. On 1 June 1912,

6375-498: The winter season. On average, almost every day of January, February and March has more than 5 cm of snowpack (29, 28, and 22 days, respectively), and on average, approximately 12 days a year see 5 cm or more of snowfall, with 4 of those having over 10 cm. An average of 17 days of the year experience temperatures below −20 °C (−4 °F). Spring and fall are variable, prone to extreme changes in temperature and conditions. The month of May, for example, on average gets

6460-517: The world's largest skating rink, thereby providing both a recreational venue and a 7.8 km (4.8 mi) transportation path to downtown for ice skaters (from Carleton University and Dow's Lake to the Rideau Centre and National Arts Centre ). On 29 June 2007, the Rideau Canal was recognized as a UNESCO World Heritage Site . The older part of the city (including what remains of Bytown) is known as Lower Town , and occupies an area between

6545-612: Was affected by the Late Wisconsian advance . Before the draining of the Champlain Sea, the area had high salinity. After the draining of the sea, the area had pine-dominated forests. Ottawa is located within the Western Quebec Seismic Zone , and while relatively inactive, the city does occasionally experience earthquakes. During part of the winter season the Ottawa section of the canal forms

6630-552: Was built in the early 1870s, forming a triangle with the existing Sappers Bridge. In 1912, both the Sappers Bridge and the Dufferin Bridge were demolished in favour of Connaught Place, today part of Confederation Square. The Plaza Bridge replaced two bridges across the Canal, the Sappers Bridge and the Dufferin Bridge. Construction on the new Plaza Bridge was finished by December 1912. Several buildings, including

6715-605: Was contracted to build the commissariat building, now the Bytown Museum . McKay also built Rideau Hall (which has since been expanded), and parts of the Union Bridge connecting LeBreton Flats to Hull. Notre-Dame Cathedral Basilica was also built early on in the developing town. The University of Ottawa had its 1846 origins as a college, and it received its present location in 1856. Though administration of Bytown had been conducted by civil authorities since 1828,

6800-616: Was followed by large growth in the high-tech industry during the 1990s and 2000s. Ottawa became one of Canada's largest high-tech cities and was nicknamed Silicon Valley North. By the 1980s, Bell Northern Research (later Nortel ) employed thousands, and large federally assisted research facilities such as the National Research Council contributed to an eventual technology boom. The early companies led to newer firms such as Newbridge Networks , Mitel and Corel . In 1991, provincial and federal governments responded to

6885-490: Was incorporated. Richmond Landing was a small settlement started in 1809 with Jehiel Collins' store, which preceded Bytown in present-day Ottawa . It was located just south of Victoria Island east of the present-day Portage Bridge in present-day Lebreton Flats . Wright's Town ( Hull, Quebec ), just across the Ottawa River , also near the Chaudiere Falls , had already been founded by this time. Collins built

6970-401: Was mostly French, Irish and Catholic. Bytown's population grew to 1,000 as the Rideau Canal was completed in 1832. Bytown's early pioneer period saw Irish labour unrest during the Shiners' War from 1835 to 1845 and political dissension that was evident in the 1849 Stony Monday Riot . In 1855, Bytown was renamed Ottawa and incorporated as a city. William Pittman Lett was installed as

7055-581: Was named Wright's Town . Wright pioneered the Ottawa Valley timber trade (soon to be the area's most significant economic activity) by transporting timber by river from the Ottawa Valley to Quebec City . In 1826, news of the British military's impending construction of the Rideau Canal led to land speculators founding a community on the south side of the Ottawa River. The following year,

7140-552: Was on the east side of the canal where today's Byward Market and general area of Lower Town still exists. The two areas of town were connected over the Rideau Canal by the Sappers Bridge , constructed in 1827. The town took its name from John By who, as a lieutenant colonel in the British Royal Engineers , was instrumental in the construction of the canal. The name "Bytown" came about, somewhat as

7225-700: Was to implement the Greber Plan recommendations conducted during the 1960s and 1970s. This marked the creation of a permanent political infrastructure for managing the capital region . Prior attempts to do so in the previous 50 years had been temporary. These included plans from the 1899 Ottawa Improvement Commission (OIC), the Todd Plan in 1903, the Holt Report in 1915 and the Federal District Commission (FDC) established in 1927 with

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