February 4 » The Philippine–American War begins with the Battle of Manila.
May 8 » The Irish Literary Theatre in Dublin produced its first play.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
July 17 » NEC Corporation is organized as the first Japanese joint venture with foreign capital.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
September 23 » The American Asiatic Squadron destroys a Filipino battery at the Battle of Olongapo.
Day of marriage May 21, 1931
The temperature on May 21, 1931 was between 7.4 °C and 18.3 °C and averaged 12.8 °C. There was 1.0 mm of rain during 0.6 hours. There was 8.7 hours of sunshine (55%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 21 » Sir Isaac Isaacs is sworn in as the first Australian-born Governor-General of Australia.
March 15 » SSViking explodes off Newfoundland, killing 27 of the 147 on board.
July 1 » United Airlines begins service (as Boeing Air Transport).
August 24 » France and the Soviet Union sign a neutrality pact.
October 17 » Al Capone is convicted of income tax evasion.
November 22 » Al-Mina'a SC is founded in Iraq.
Day of death September 1, 1971
The temperature on September 1, 1971 was between 12.5 °C and 20.8 °C and averaged 16.1 °C. There was 0.7 mm of rain during 0.6 hours. There was 2.8 hours of sunshine (20%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 25 » Charles Manson and three female "Family" members are found guilty of the 1969 Tate–LaBianca murders.
February 9 » Apollo program: Apollo 14 returns to Earth after the third manned Moon landing.
April 1 » Bangladesh Liberation War: The Pakistan Army massacre over 1,000 people in Keraniganj Upazila, Bangladesh.
April 17 » The Provisional Government of Bangladesh is formed.
August 9 » The Troubles: The British Army in Northern Ireland launches Operation Demetrius. Hundreds of people are arrested and interned, thousands are displaced, and twenty are killed in the violence that followed.
September 13 » State police and National Guardsmen storm New York's Attica Prison to quell a prison revolt, which claimed 43 lives.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I2564.php : accessed January 25, 2026), "Lolke Riemersma (1899-1971)".
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