January 13 » Émile Zola's J'accuse…! exposes the Dreyfus affair.
February 23 » Émile Zola is imprisoned in France after writing J'Accuse…!, a letter accusing the French government of antisemitism and wrongfully imprisoning Captain Alfred Dreyfus.
April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
April 25 » Spanish–American War: The United States declares war on Spain.
June 10 » Spanish–American War: In the Battle of Guantánamo Bay, U.S. Marines begin the American invasion of Spanish-held Cuba.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
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
May 6 » Hindenburg disaster: The German zeppelin Hindenburg catches fire and is destroyed within a minute while attempting to dock at Lakehurst, New Jersey. Thirty-six people are killed.
June 14 » U.S. House of Representatives passes the Marihuana Tax Act.
July 5 » Spam, the luncheon meat, is introduced into the market by the Hormel Foods Corporation.
August 1 » Josip Broz Tito reads the resolution "Manifesto of constitutional congress of KPH" to the constitutive congress of KPH (Croatian Communist Party) in woods near Samobor.
September 21 » J. R. R. Tolkien's The Hobbit is published.
December 13 » Second Sino-Japanese War: Battle of Nanking: The city of Nanjing, defended by the National Revolutionary Army under the command of General Tang Shengzhi, falls to the Japanese. This is followed by the Nanking Massacre, in which Japanese troops rape and slaughter hundreds of thousands of civilians.
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
January 1 » The defined beginning of Unix time, at 00:00:00.
April 11 » Apollo 13 is launched.
April 29 » Vietnam War: United States and South Vietnamese forces invade Cambodia to hunt Viet Cong.
May 9 » Vietnam War: In Washington, D.C., 75,000 to 100,000 war protesters demonstrate in front of the White House.
August 17 » Venera program: Venera 7 launched. It will later become the first spacecraft to successfully transmit data from the surface of another planet (Venus).
December 15 » Soviet spacecraft Venera 7 successfully lands on Venus. It is the first successful soft landing on another planet.
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
April 17 » Apollo program: The ill-fated Apollo 13 spacecraft returns to Earth safely.
April 22 » The first Earth Day is celebrated.
April 24 » The Gambia becomes a republic within the Commonwealth of Nations, with Dawda Jawara as its first President.
May 1 » Vietnam War: Protests erupt following the announcement by Richard Nixon that the U.S. and South Vietnamese forces would attack Vietnamese communists in a Cambodian Campaign.
September 28 » Egyptian President Gamal Abdel Nasser dies of a heart attack in Cairo.
November 13 » Bhola cyclone: A 150-mph tropical cyclone hits the densely populated Ganges Delta region of East Pakistan (now Bangladesh), killing an estimated 500,000 people in one night.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I76590.php : accessed January 21, 2026), "Gerrit Snapper (1898-1970)".
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