May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage September 2, 1920
The temperature on September 2, 1920 was between 7.8 °C and 18.9 °C and averaged 13.4 °C. There was 0.1 mm of rain. There was 6.1 hours of sunshine (45%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 16 » The League of Nations holds its first council meeting in Paris, France.
January 19 » The American Civil Liberties Union (ACLU) is founded.
February 13 » The Negro National League is formed.
May 7 » Kiev Offensive: Polish troops led by Józef Piłsudski and Edward Rydz-Śmigły and assisted by a symbolic Ukrainian force capture Kiev only to be driven out by the Red Army counter-offensive a month later.
May 7 » Morecambe Football Club was founded during a meeting at the West View Hotel on the town's promenade.
October 10 » The Carinthian plebiscite determines that the larger part of the Duchy of Carinthia should remain part of Austria.
Day of death July 15, 1957
The temperature on July 15, 1957 was between 12.0 °C and 19.4 °C and averaged 15.1 °C. There was 0.5 mm of rain during 0.3 hours. There was 2.3 hours of sunshine (14%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 22 » The New York City "Mad Bomber", George P. Metesky, is arrested in Waterbury, Connecticut and charged with planting more than 30 bombs.
January 31 » Eight people (5 total crew from 2 aircraft and 3 on the ground) in Pacoima, California are killed following the mid-air collision between a Douglas DC-7 airliner and a Northrop F-89 Scorpion fighter jet.
April 5 » In India, Communists win the first elections in united Kerala and E. M. S. Namboodiripad is sworn in as the first Chief Minister.
May 1 » Thirty-four people are killed when a Vickers Viking airliner crashes in Hampshire, England.
October 22 » Vietnam War: First United States casualties in Vietnam.
December 2 » United Nations Security Council Resolution 126 relating to Kashmir conflict is adopted.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I329167.php : accessed March 7, 2026), "Harmanus Everhardus Haak (1897-1957)".
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