1800 david thompson reaches the mouth of the saskatchewan river i 06 07
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1811 215 years ago Selected Events July 9 4 sources

British explorer David Thompson posted a notice at the confluence of the Columbia and Snake Rivers (in modern Washington state, U.S.), claiming the area for Great Britain.

On July 9, in the year 1811, British explorer David Thompson posted a notice at the confluence of the Columbia and Snake Rivers (in modern Washington state, U.S.), claiming the area for Great Britain. This event is recorded as a Selected Events event in the history of July 9, one of 426 recorded events on this date across all of history.

David Thompson was a British fur trader, surveyor, and cartographer, known to some native people as "Koo-Koo-Sint" or "the Stargazer". Over Thompson's career, he travelled 90,000 kilometres (56,000 mi) across North America, mapping 4.9 million square kilometres of the continent along the way. For this historic feat, Thompson has been described as the "greatest practical land geographer that the world has produced".

Key Facts

  • This event took place on July 9, 1811 (AD era).
  • It is categorised as a Selected Events event in recorded history.
  • Referenced in 4 Wikipedia articles.
  • Wikipedia source last updated on 29 May 2026.

On This Date in History 426

Type Year Date Event
Historical Events 2025 Jul 9 Earth completes its shortest recorded day due to a slight acceleration in rotation, with July 9 lasting approximately…
Notable Deaths 2025 Jul 9 Ian Blair, British police officer (born 1953)
Notable Deaths 2025 Jul 9 Glen Michael, British television presenter and entertainer (born 1926)
Notable Deaths 2024 Jul 9 Joe Bonsall, American country/gospel singer (born 1948)
Notable Deaths 2024 Jul 9 Diana Hill, New Zealand biochemist (born 1943)
Notable Deaths 2024 Jul 9 Jim Inhofe, American politician (born 1934)
Notable Deaths 2024 Jul 9 Maxine Singer, American biologist (born 1931)
Notable Deaths 2024 Jul 9 Jerzy Stuhr, Polish actor (born 1947)
Notable Deaths 2022 Jul 9 John Gwynne, English reporter and commentator (born 1945)
Notable Deaths 2019 Jul 9 William E. Dannemeyer, American politician (born 1929)
Notable Deaths 2019 Jul 9 Ross Perot, American businessman and politician (born 1930)
Notable Deaths 2019 Jul 9 Fernando de la Rúa, 43rd President of Argentina (born 1937)
Notable Deaths 2019 Jul 9 Rip Torn, American actor (born 1931)
Notable Deaths 2019 Jul 9 Freddie Jones, English actor (born 1927)
Notable Deaths 2015 Jul 9 Christian Audigier, French fashion designer (born 1958)
Notable Deaths 2015 Jul 9 Saud bin Faisal bin Abdulaziz Al Saud, Saudi Arabian economist and politician, Saudi Arabian Minister of Foreign…
Notable Deaths 2014 Jul 9 Lorenzo Álvarez Florentín, Paraguayan violinist and composer (born 1926)
Notable Deaths 2014 Jul 9 David Azrieli, Polish-Canadian businessman and philanthropist (born 1922)
Notable Deaths 2014 Jul 9 Eileen Ford, American businesswoman, co-founded Ford Models (born 1922)
Notable Deaths 2014 Jul 9 John Spinks, English guitarist and songwriter (born 1953)
Notable Deaths 2013 Jul 9 Markus Büchel, Liechtensteiner politician, 9th Prime Minister of Liechtenstein (born 1959)
Notable Deaths 2013 Jul 9 Andrew Nori, Solomon lawyer and politician (born 1952)
Notable Deaths 2013 Jul 9 Kiril of Varna, Bulgarian metropolitan (born 1954)
Notable Deaths 2013 Jul 9 Barbara Robinson, American author and poet (born 1927)
Notable Deaths 2013 Jul 9 Toshi Seeger, American activist, co-founded the Clearwater Festival (born 1922)
Notable Deaths 2012 Jul 9 Shin Jae-chul, South Korean-American martial artist (born 1936)
Notable Deaths 2012 Jul 9 Chick King, American baseball player (born 1930)
Notable Deaths 2012 Jul 9 Terepai Maoate, Cook Islander physician and politician, 6th Prime Minister of the Cook Islands (born 1934)
Notable Deaths 2012 Jul 9 Eugênio Sales, Brazilian cardinal (born 1920)
Historical Events 2011 Jul 9 South Sudan gains independence and secedes from Sudan.
Historical Events 2011 Jul 9 A rally takes place in Kuala Lumpur, Malaysia to call for fairer elections in the country.
Notable Deaths 2011 Jul 9 Don Ackerman, American basketball player (born 1930)
Notable Deaths 2011 Jul 9 Facundo Cabral, Argentine singer-songwriter (born 1937)
Notable Deaths 2010 Jul 9 Jessica Anderson, Australian author and playwright (born 1916)
Notable Deaths 2008 Jul 9 Séamus Brennan, Irish accountant and politician, Minister for Transport, Tourism and Sport (born 1948)
Selected Events 2008 Jul 9 Under the belief that Israel and the United States were planning to attack its nuclear program, Iran conducted the…
Notable Deaths 2007 Jul 9 Charles Lane, American actor (born 1905)
Historical Events 2006 Jul 9 One hundred and twenty-five people are killed when S7 Airlines Flight 778, an Airbus A310 passenger jet, veers off the…
Historical Events 2006 Jul 9 Italy win their fourth World Cup title, defeating France 5–3 on penalties following a 1–1 draw after extra time.
Notable Deaths 2006 Jul 9 Milan Williams, American keyboard player and producer (born 1948)
Selected Events 2006 Jul 9 Italy won their fourth World Cup title, defeating France 5–3 on penalties following a 1–1 draw after extra time…
Selected Events 2006 Jul 9 Italy won their fourth FIFA World Cup title, defeating France 5–3 on penalties following a 1–1 draw after extra time…
Notable Deaths 2005 Jul 9 Chuck Cadman, Canadian engineer and politician (born 1948)
Notable Deaths 2005 Jul 9 Yevgeny Grishin, Russian speed skater (born 1931)
Notable Deaths 2005 Jul 9 Alex Shibicky, Canadian ice hockey player (born 1914)
Historical Events 2004 Jul 9 The Senate Report on Iraqi WMD Intelligence is released by the United States Senate Select Committee on Intelligence,…
Notable Deaths 2004 Jul 9 Paul Klebnikov, American journalist and historian (born 1963)
Notable Deaths 2004 Jul 9 Isabel Sanford, American actress (born 1917)
Notable Births 2003 Jul 9 Conor Bradley, Northern Irish footballer
Historical Events 2002 Jul 9 The African Union is established in Addis Ababa, Ethiopia, replacing the Organisation of African Unity (OAU). The…

This article draws on content from Wikipedia, available under CC BY-SA 4.0.

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