42-467: Mensa is the largest and oldest high-IQ society in the world. It is a non-profit organisation open to people who score at the 98th percentile or higher on a standardised, supervised IQ or other approved intelligence test. Mensa formally comprises national groups and the umbrella organisation Mensa International , with a registered office in Caythorpe, Lincolnshire , England, which is separate from
84-773: A "salute to the union", is fired on Independence Day at noon by any capable military base. New York City has the largest fireworks display in the country sponsored by Macy's , with more than 22 tons of pyrotechnics exploded in 2009. It generally holds displays in the East River. Other major displays are in Seattle on Lake Union ; in San Diego over Mission Bay ; in Boston on the Charles River ; in Philadelphia over
126-423: A picnic or barbecue; many take advantage of the day off and, in some years, a long weekend to gather with family members or friends. Parades are often attended in many towns and cities, some being hours-long, with many floats and participants. Parades are often held in the mid-late morning (before get-togethers), with longer spectacles sometimes extending into the early afternoon. Fireworks displays typically occur in
168-407: A rapid pace. Mensa International consists of around 134,000 members in 100 countries and in 54 national groups. The national groups issue periodicals, such as Mensa Bulletin , the monthly publication of American Mensa, and Mensa Magazine , the monthly publication of British Mensa. Individuals who live in a country with a national group join the national group, while those living in countries without
210-485: A recognized chapter may join Mensa International directly. The largest national groups are: Larger national groups are further subdivided into local groups. For example, American Mensa has 134 local groups, with the largest having over 2,000 members and the smallest having fewer than 100. Members may form special interest groups (SIGs) at international, national, and local levels; these SIGs represent
252-436: A score comparable to scores on other tests; the test serves only to qualify a person for membership. In some national groups, a person may take a Mensa-offered test only once, although one may later submit an application with results from a different qualifying test. The Mensa test is also available in some developing countries such as Brazil, India, Indonesia and Pakistan, and societies in developing countries have been growing at
294-582: A signatory of the Declaration of Independence, James Monroe , another Founding Father who was elected president, also died on July 4, 1831, making him the third President who died on the anniversary of independence. The only U.S. president to have been born on Independence Day was Calvin Coolidge , who was born on July 4, 1872. Independence Day is a national holiday marked by patriotic displays. Per 5 U.S.C. § 6103 , Independence Day
336-541: A wide variety of interests, ranging from motorcycle clubs to entrepreneurial co-operations. Some SIGs are associated with various geographic groups, whereas others act independently of official hierarchy. There are also electronic SIGs (eSIGs), which operate primarily as email lists, where members may or may not meet each other in person. The Mensa Foundation, a separate charitable U.S. corporation, edits and publishes its own Mensa Research Journal , in which both Mensans and non-Mensans are published on various topics surrounding
378-436: Is Mensa International , which was founded by Roland Berrill and Lancelot Ware in 1946. High-IQ societies typically accept a variety of IQ tests for membership eligibility; these include WAIS , Stanford-Binet , and Raven's Advanced Progressive Matrices , amongst many others deemed to sufficiently measure or correlate with intelligence. Tests deemed to insufficiently correlate with intelligence (e.g. post-1994 SAT , in
420-498: Is a federal holiday, so all non-essential federal institutions (such as the postal service and federal courts ) are closed on that day. While the legal holiday remains on July 4, if that date happens to be on a Saturday or Sunday, then federal government employees will instead take the day off on the adjacent Friday or Monday, respectively. Other non-essential that are non-government related may also be closed that day. Families often celebrate Independence Day by hosting or attending
462-607: Is generally included in each national magazine. The Mensa Foundation publishes the Mensa Research Journal , which "highlights scholarly articles and recent research related to intelligence". Unlike most Mensa publications, this journal is available to non-members. All national Mensa subsidiaries accept children under the age of 18. However, some national Mensas do not test the children themselves; many offer activities, resources, and newsletters specifically geared toward gifted children and their parents. Kashe Quest ,
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#1732801025083504-466: Is typically one of the busiest United States travel periods of the year, as many people use what is often a three-day holiday weekend for extended vacation trips. The Philippines celebrates July 4 as its Republic Day to commemorate the day in 1946 when it ceased to be a U.S. territory and the United States officially recognized Philippine Independence . July 4 was intentionally chosen by
546-464: The COVID-19 pandemic forced cancellations of shows. Some local or regional firework sales are limited or prohibited because of dry weather or other specific concerns. On these occasions the public may be prohibited from purchasing or discharging fireworks, but professional displays (such as those at sports events) may still take place. A salute of one gun for each state in the United States, called
588-590: The Declaration of Independence , a statement explaining this decision, which had been prepared by the Committee of Five , which asked Thomas Jefferson to author its first draft. While Jefferson consulted extensively with the other four members of the Committee of Five, he largely wrote the Declaration of Independence in isolation over 17 days between June 11, 1776, and June 28, 1776, from the second floor he
630-886: The Fourth of July , is a federal holiday in the United States which commemorates the ratification of the Declaration of Independence by the Second Continental Congress on July 4, 1776, establishing the United States of America . The Founding Father delegates of the Second Continental Congress declared that the Thirteen Colonies were no longer subject (and subordinate) to the monarch of Britain , King George III , and were now united, free, and independent states. The Congress voted to approve independence by passing
672-480: The Lee Resolution on July 2 and adopted the Declaration of Independence two days later, on July 4. Independence Day is commonly associated with fireworks , parades , barbecues , carnivals , fairs , picnics , concerts , baseball games , family reunions , political speeches , and ceremonies, in addition to various other public and private events celebrating the history, government, and traditions of
714-879: The Philadelphia Museum of Art ; in San Francisco over the San Francisco Bay ; and on the National Mall in Washington, D.C. During the annual Windsor–Detroit International Freedom Festival , Detroit, Michigan , hosts one of the largest fireworks displays in North America, over the Detroit River , to celebrate Independence Day in conjunction with Windsor, Ontario 's celebration of Canada Day . The first week of July
756-849: The Stanford–Binet Intelligence Scales . The minimum accepted score on the Stanford–Binet is 132, while for the Cattell it is 148, and 130 in the Wechsler tests ( WAIS , WISC ). Most IQ tests are designed to yield a mean score of 100 with a standard deviation of 15; the 98th-percentile score under these conditions is 130.8, assuming a normal distribution . Most national groups test using well-established IQ test batteries, but American Mensa and German Mensa each developed their own application tests, which they administer and monitor themselves. However, American Mensa does not provide
798-462: The War of 1812 . Firework shows are held in many states, and many fireworks are sold for personal use or as an alternative to a public show. Safety concerns have led some states to ban fireworks or limit the sizes and types allowed. In addition, local and regional conditions may dictate whether the sale or use of fireworks in an area will be allowed; for example, the global supply chain crisis following
840-766: The American Mensa Bulletin , the British Mensa Magazine , Serbian MozaIQ , the Australian TableAus , the Mexican El Mensajero , and the French, formerly Contacts , now MensaMag . Aside from national publications, some local or regional groups have their own newsletters. Mensa International publishes a Mensa World Journal , which "contains views and information about Mensa around the world". This journal
882-633: The British Mensa office in Wolverhampton . The word mensa ( / ˈ m ɛ n s ə / , Latin: [ˈmẽːs̠ä] ) is Latin for ' table ', as is symbolised in the organisation's logo, and was chosen to demonstrate the round-table nature of the organisation: the coming together of equals. Australian Roland Berrill , and Lancelot Ware , a British scientist and lawyer, founded Mensa at Lincoln College , in Oxford , England in 1946, with
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#1732801025083924-409: The Declaration was signed nearly a month after its adoption, on August 2, 1776, and not on July 4 as is commonly believed. By remarkable coincidence, Thomas Jefferson and John Adams, the only two signatories of the Declaration of Independence later to serve as presidents of the United States , both died on the same day: July 4, 1826, which was the 50th anniversary of the Declaration. Although not
966-486: The English city of Gloucester , its cathedral rang bells in 2019 and 2020 for the anthem " The Star-Spangled Banner " every July 4 for its links to the anthem , commemorating its status as the birthplace of John Stafford Smith , who composed the tune on which the anthem is based. (federal) = federal holidays, (abbreviation) = state/territorial holidays, (religious) = religious holidays, (cultural) = holiday related to
1008-638: The Gem of the Ocean "; " God Bless America "; " America the Beautiful "; " My Country, 'Tis of Thee "; " This Land Is Your Land "; " Stars and Stripes Forever "; " Yankee Doodle "; " God Bless the U.S.A. " and " Dixie " (in southern states); " Lift Every Voice and Sing "; and occasionally (but has nominally fallen out of favor), " Hail Columbia ". Some of the lyrics recall images of the Revolutionary War or
1050-555: The Mensa IQ test. American Mensa's oldest member is 102, and British Mensa had a member aged 103. According to American Mensa's generational classifications and published demographics (as of 2023), its membership is 8 percent from the Silent generation (born 1924–1942), 37 percent Baby Boomers (born 1943–1960), 30 percent Gen-X (born 1961–1981), 10 percent Millennial (born 1982–2000), 12 percent Generation Z (born 2001–2020) and
1092-692: The United States because it corresponds to its Independence Day, and this day was observed in the Philippines as Independence Day until 1962. In 1964, the name of the July 4 holiday was changed to Republic Day. Rebild National Park in Denmark is said to hold the largest July 4 celebrations outside of the United States. While not an Independence Day celebration by any means, the city of Trois-Rivières , Quebec , Canada celebrates its founding every July 4, having been founded on July 4, 1634. Trois-Rivières
1134-631: The United States. Independence Day is the national day of the United States. During the American Revolution , the legal separation of the thirteen colonies from Great Britain in 1776 actually occurred on July 2, when the Second Continental Congress voted to approve a resolution of independence that had been proposed in June by Richard Henry Lee of Virginia declaring the United States independent from Great Britain's rule. After voting for independence, Congress turned its attention to
1176-696: The annual Mensa Mind Games competition, at which the Mensa Select award is given to five board games that are "original, challenging, and well designed". In Europe, since 2008 international meetings have been held under the name EMAG (European Mensa Annual Gathering), starting in Cologne that year. The next meetings were in Utrecht (2009), Prague (2010), Paris (2011), Stockholm (2012), Bratislava (2013), Zürich (2014), Berlin (2015), Kraków (2016), Barcelona (2017), Belgrade (2018) and Ghent (2019). The 2020 event
1218-463: The case of Mensa and Intertel ) are not accepted for admission. As IQ significantly above 146 SD15 (approximately three-sigma) cannot be reliably measured with accuracy due to sub-test limitations and insufficient norming, IQ societies with cutoffs significantly higher than four-sigma should be considered dubious. Some societies accept the results of standardized tests taken elsewhere. Those are listed below by selectivity percentile (assuming
1260-566: The celebration. The highest ever were in Salem, Massachusetts , with pyramids composed of as many as forty tiers of barrels. These made some of the tallest bonfires ever recorded. The custom flourished in the 19th and 20th centuries and is still practiced in some New England and northeastern towns. Independence Day fireworks are often accompanied by patriotic songs, such as " The Star-Spangled Banner " (the American national anthem ); " Columbia,
1302-658: The concept and measure of intelligence. Mensa has many events for members, from the local to the international level. Several countries hold a large event called the Annual Gathering (AG). It is held in a different city every year, with speakers, dances, leadership workshops, children's events, games, and other activities. The American and Canadian AGs are usually held during the American Independence Day (4 July) or Canada Day (1 July) weekends respectively. Since 1990, American Mensa has sponsored
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1344-747: The evening, at such places as parks, harbors, off of boats, sporting venues, fairgrounds, public shorelines, or town squares. Decorations (e.g., streamers, balloons, and clothing) are generally colored red, white, and blue, the colors of the American flag , and many homes and businesses will decorate their properties with miniature American flags. The night before the Fourth was once the focal point of celebrations, marked by raucous gatherings, often incorporating bonfires as their highlight. In New England , towns competed to build towering pyramids, assembled from barrels and casks. They were lit at nightfall to usher in
1386-400: The intention of forming a society for the most intelligent, with the only qualification being a high IQ. The society was ostensibly to be non-political in its aims and free from all other social distinctions, such as race and religion. However, Berrill and Ware were both disappointed with the resulting society. Berrill had intended Mensa as "an aristocracy of the intellect" and was unhappy that
1428-415: The majority of members came from working or lower-class homes, while Ware said: "I do get disappointed that so many members spend so much time solving puzzles." American Mensa was the second major branch of Mensa thanks to the efforts of Margot Seitelman . Mensa's requirement for membership is a score at or above the 98th percentile on certain standardized IQ or other approved intelligence tests, such as
1470-409: The most memorable epoch in the history of America. I am apt to believe that it will be celebrated by succeeding generations as the great anniversary festival. It ought to be commemorated as the day of deliverance, by solemn acts of devotion to God Almighty. It ought to be solemnized with pomp and parade, with shows, games, sports, guns, bells, bonfires, and illuminations, from one end of this continent to
1512-438: The now-standard definition of IQ as a standard score with a median of 100 and a standard deviation of 15 IQ points). Since the 1960s, Mensa has experienced increasing competition in attracting high-IQ individuals, as various new groups have emerged with even stricter and more exclusive admissions requirements. Notable high-IQ societies include: Independence Day (United States) Independence Day , known colloquially as
1554-649: The other, from this time forward forever more. Adams's prediction was off by two days. From the outset, Americans celebrated independence on July 4, the date shown on the much-publicized Declaration of Independence, rather than on July 2, the date the resolution of independence was approved in a closed session of Congress. Historians have long disputed whether members of Congress signed the Declaration of Independence on July 4, even though Thomas Jefferson, John Adams, and Benjamin Franklin all later wrote that they had signed it on that day. Most historians have concluded that
1596-518: The remaining 3 percent other. The American Mensa general membership identifies as 64 percent male, 32 percent female, 3 percent unknown, and less than 1 percent gender non-conforming or other. High-IQ society A high-IQ society is an organization that limits its membership to people who have attained a specified score on an IQ test, usually in the top two percent of the population (98th percentile) or above. These may also be referred to as genius societies. The largest and oldest such society
1638-564: The youngest member of American Mensa; Adam Kirby, the youngest member of British Mensa; and several Australian Mensa members joined at age two. Elise Tan-Roberts of the UK and Miranda Elise Margolis of the US are the youngest people ever to join Mensa, having gained full membership at the age of two years and four months. In 2018, Mehul Garg became the youngest person in a decade to score the maximum of 162 on
1680-895: Was also the site of the final battle of the American Revolutionary War that was fought on Quebec soil in June 1776, the Battle of Trois-Rivières , which was also a part of the Continental Army's failed American Invasion of Quebec . Following a defeat at the hands of the British, the Continental Army retreated to Fort Saint-Jean in Saint-Jean-sur-Richelieu , Quebec, and then to Fort Ticonderoga in Ticonderoga , New York, before permanently ceasing their invasion of Quebec in July 1776. In
1722-850: Was postponed and took place in 2021 in Brno. The 2022 event was held in Strasbourg, and the 2023 event was held in Rotterdam. In the Asia-Pacific region, there is an Asia-Pacific Mensa Annual Gathering (AMAG), with rotating countries hosting the event. This has included Gold Coast, Australia (2017), Cebu, Philippines (2018), New Zealand (2019), and South Korea (2020). The governing body of Mensa International consists of: All national Mensa groups publish members-only newsletters or magazines, which include articles and columns written by members, and information about upcoming Mensa events. Examples include
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1764-604: Was renting in a three-story private home at 700 Market Street in Philadelphia , now known as the Declaration House, and within walking distance of Independence Hall . Congress debated and revised the wording of the Declaration, removing Jefferson's vigorous denunciation of King George III for importing the slave trade , finally approving it two days later on July 4. A day earlier, John Adams wrote to his wife Abigail : The second day of July 1776, will be
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