June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
June 13 » Yukon Territory is formed, with Dawson chosen as its capital.
June 17 » The United States Navy Hospital Corps is established.
October 6 » Phi Mu Alpha Sinfonia, the largest American music fraternity, is founded at the New England Conservatory of Music.
October 14 » The steam ship SSMohegan sinks near the Lizard peninsula, Cornwall, killing 106.
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
Day of marriage May 13, 1937
The temperature on May 13, 1937 was between 8.0 °C and 15.7 °C and averaged 10.9 °C. There was 0.8 mm of rain during 0.8 hours. There was 1.5 hours of sunshine (10%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 11 » The Flint sit-down strike ends when General Motors recognizes the United Auto Workers trade union.
February 19 » Yekatit 12: During a public ceremony at the Viceregal Palace (the former Imperial residence) in Addis Ababa, Ethiopia, two Ethiopian nationalists of Eritrean origin attempt to kill viceroy Rodolfo Graziani with a number of grenades.
April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
June 14 » U.S. House of Representatives passes the Marihuana Tax Act.
September 22 » Spanish Civil War: Peña Blanca is taken, ending the Battle of El Mazuco.
December 29 » The Irish Free State is replaced by a new state called Ireland with the adoption of a new constitution.
Day of death February 20, 1970
The temperature on February 20, 1970 was between 4.3 °C and 6.2 °C and averaged 5.2 °C. There was 3.4 mm of rain during 2.7 hours. There was 0.8 hours of sunshine (8%). The heavily clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
March 4 » French submarine Eurydice explodes underwater, resulting in the loss of the entire 57-man crew.
April 15 » During the Cambodian Civil War, massacre of the Vietnamese minority results in 800 bodies flowing down the Mekong river into South Vietnam.
April 29 » Vietnam War: United States and South Vietnamese forces invade Cambodia to hunt Viet Cong.
May 4 » Vietnam War: Kent State shootings: The Ohio National Guard, sent to Kent State University after disturbances in the city of Kent the weekend before, opens fire killing four unarmed students and wounding nine others. The students were protesting the Cambodian Campaign of the United States and South Vietnam.
September 9 » A British airliner is hijacked by the Popular Front for the Liberation of Palestine and flown to Dawson's Field in Jordan.
November 17 » Vietnam War: Lieutenant William Calley goes on trial for the My Lai Massacre.
Day of burial February 24, 1970
The temperature on February 24, 1970 was between 1.1 °C and 8.6 °C and averaged 4.4 °C. There was 2.9 mm of rain during 0.9 hours. There was 2.5 hours of sunshine (24%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
February 18 » The Chicago Seven are found not guilty of conspiring to incite riots at the 1968 Democratic National Convention.
April 22 » The first Earth Day is celebrated.
May 4 » Vietnam War: Kent State shootings: The Ohio National Guard, sent to Kent State University after disturbances in the city of Kent the weekend before, opens fire killing four unarmed students and wounding nine others. The students were protesting the Cambodian Campaign of the United States and South Vietnam.
September 7 » Bill Shoemaker beats Johnny Longden's record to become the winningest jockey in horse racing history at Del Mar racetrack
October 5 » The Public Broadcasting Service (PBS) is founded.
December 15 » Soviet spacecraft Venera 7 successfully lands on Venus. It is the first successful soft landing on another planet.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentage of Gisbert Jansen Snapper", database, Genealogy Online (https://www.genealogieonline.nl/gisbert-jansen-snapper/I76590.php : accessed January 15, 2026), "Gerrit Snapper (1898-1970)".
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