1961 Historical Events April 25 3 sources

Robert Noyce is granted a patent for an integrated circuit

Robert Noyce is granted a patent for an integrated circuit.

On April 25, in the year 1961, Robert Noyce is granted a patent for an integrated circuit. This event is recorded as a Historical Events event in the history of April 25, one of 419 recorded events on this date across all of history.

Robert Norton Noyce, nicknamed "the Mayor of Silicon Valley", was an American physicist and entrepreneur who co-founded Fairchild Semiconductor in 1957 and Intel Corporation in 1968. He was also credited with the realization of the first monolithic integrated circuit or microchip made with silicon, which fueled the personal computer revolution and gave Silicon Valley its name.

Key Facts

  • This event took place on April 25, 1961 (AD era).
  • It is categorised as a Historical Events event in recorded history.
  • Referenced in 3 Wikipedia articles.
  • Wikipedia source last updated on 31 March 2026.

On This Date in History 419

Type Year Date Event
Notable Deaths 2024 Apr 25 Marla Adams, American television actress (born 1938)
Notable Deaths 2024 Apr 25 Laurent Cantet, French director, cinematographer and screenwriter (born 1961)
Notable Deaths 2023 Apr 25 Harry Belafonte, American singer, activist, and actor (born 1927)
Notable Deaths 2019 Apr 25 John Havlicek, American basketball player (born 1940)
Notable Deaths 2018 Apr 25 Madeeha Gauhar, Pakistani actress, playwright and director of social theater, and women's rights activist (born 1956)
Notable Deaths 2016 Apr 25 Tom Lewis, Australian politician, 33rd Premier of New South Wales (born 1922)
Historical Events 2015 Apr 25 At least 8,962 are killed in Nepal after a massive 7
Notable Deaths 2015 Apr 25 Jim Fanning, American-Canadian baseball player and manager (born 1927)
Notable Deaths 2015 Apr 25 Matthias Kuhle, German geographer and academic (born 1948)
Notable Deaths 2015 Apr 25 Don Mankiewicz, American screenwriter and novelist (born 1922)
Notable Deaths 2015 Apr 25 Mike Phillips, American basketball player (born 1956)
Selected Events 2015 Apr 25 Nepal was struck by a magnitude-7
Historical Events 2014 Apr 25 The Flint water crisis begins when officials at Flint, Michigan switch the city's water supply to the Flint River, leadi
Notable Deaths 2014 Apr 25 Dan Heap, Canadian priest and politician (born 1925)
Notable Deaths 2014 Apr 25 William Judson Holloway Jr
Notable Deaths 2014 Apr 25 Earl Morrall, American football player and coach (born 1934)
Notable Deaths 2014 Apr 25 Tito Vilanova, Spanish footballer and manager (born 1968)
Notable Deaths 2014 Apr 25 Stefanie Zweig, German journalist and author (born 1932)
Selected Events 2014 Apr 25 A water crisis began when officials in Flint, Michigan, switched the city's water supply to the Flint River, leading to
Notable Deaths 2013 Apr 25 Brian Adam, Scottish biochemist and politician (born 1948)
Notable Deaths 2013 Apr 25 Jacob Avshalomov, American composer and conductor (born 1919)
Notable Deaths 2013 Apr 25 György Berencsi, Hungarian virologist and academic (born 1941)
Notable Deaths 2013 Apr 25 Rick Camp, American baseball player (born 1953)
Notable Deaths 2012 Apr 25 Gerry Bahen, Australian footballer (born 1929)
Notable Deaths 2012 Apr 25 Denny Jones, American rancher and politician (born 1910)
Notable Deaths 2012 Apr 25 Moscelyne Larkin, American ballerina and educator (born 1925)
Notable Deaths 2012 Apr 25 Louis le Brocquy, Irish painter and illustrator (born 1916)
Selected Events 2012 Apr 25 Daniel Chong is discovered in a holding room in San Diego, having been incarcerated for five days without food or water
Notable Deaths 2011 Apr 25 Poly Styrene, British musician (born 1957)
Notable Deaths 2010 Apr 25 Dorothy Provine, American actress and singer (born 1935)
Notable Deaths 2010 Apr 25 Alan Sillitoe, English novelist, short story writer, essayist, and poet (born 1928)
Notable Deaths 2009 Apr 25 Bea Arthur, American actress and singer (born 1922)
Notable Deaths 2008 Apr 25 Humphrey Lyttelton, English trumpet player, composer, and radio host (born 1921)
Historical Events 2007 Apr 25 Boris Yeltsin's funeral: The first to be sanctioned by the Russian Orthodox Church for a head of state since the funeral
Notable Deaths 2007 Apr 25 Alan Ball Jr
Notable Deaths 2007 Apr 25 Arthur Milton, English footballer and cricketer (born 1928)
Notable Deaths 2007 Apr 25 Bobby Pickett, American singer-songwriter (born 1938)
Notable Deaths 2006 Apr 25 Jane Jacobs, American-Canadian journalist, author, and activist (born 1916)
Notable Deaths 2006 Apr 25 Peter Law, Welsh politician and independent member of parliament (born 1948)
Historical Events 2005 Apr 25 The final piece of the Obelisk of Axum is returned to Ethiopia after being stolen by the invading Italian army in 1937
Historical Events 2005 Apr 25 A seven-car commuter train derails and crashes into an apartment building near Amagasaki Station in Japan, killing 107,
Historical Events 2005 Apr 25 Bulgaria and Romania sign the Treaty of Accession 2005 to join the European Union
Notable Deaths 2005 Apr 25 Jim Barker, American politician (born 1935)
Notable Deaths 2005 Apr 25 Swami Ranganathananda, Indian monk and educator (born 1908)
Historical Events 2004 Apr 25 The March for Women's Lives brings over one million protesters, mostly pro-choice, to Washington D
Notable Deaths 2004 Apr 25 Thom Gunn, English-American poet and academic (born 1929)
Notable Deaths 2003 Apr 25 Samson Kitur, Kenyan runner (born 1966)
Notable Deaths 2002 Apr 25 Lisa Lopes, American rapper and dancer (born 1971)
Historical Events 2001 Apr 25 President George W
Notable Deaths 2001 Apr 25 Michele Alboreto, Italian racing driver (born 1956)

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

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