March 4 » Cyclone Mahina sweeps in north of Cooktown, Queensland, with a 12 metres (39ft) wave that reaches up to 5 kilometres (3.1mi) inland, killing over 300.
March 27 » Emilio Aguinaldo leads Filipino forces for the only time during the Philippine–American War at the Battle of Marilao River.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
September 13 » Henry Bliss is the first person in the United States to be killed in an automobile accident.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
Day of marriage August 9, 1930
The temperature on August 9, 1930 was between 12.0 °C and 19.3 °C and averaged 15.6 °C. There was 1.7 mm of rain during 0.5 hours. There was 3.6 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
February 3 » Communist Party of Vietnam is founded at a "Unification Conference" held in Kowloon, British Hong Kong.
May 7 » The 7.1 Mw Salmas earthquake shakes northwestern Iran and southeastern Turkey with a maximum Mercalli intensity of IX (Violent). Up to three-thousand people were killed.
June 21 » One-year conscription comes into force in France.
August 16 » The first British Empire Games were opened in Hamilton, Ontario by the Governor General of Canada, the Viscount Willingdon.
October 5 » British airship R101 crashes in France en route to India on its maiden voyage.
December 16 » Bank robber Herman Lamm and members of his crew are killed by a 200-strong posse, following a botched bank robbery, in Clinton, Indiana.
Day of death March 25, 1968
The temperature on March 25, 1968 was between 6.1 °C and 14.2 °C and averaged 10.5 °C. There was 0.1 mm of rain during 0.1 hours. There was 0.3 hours of sunshine (2%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
February 17 » In Springfield, Massachusetts, the Naismith Memorial Basketball Hall of Fame opens.
April 23 » Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university.
July 1 » The Treaty on the Non-Proliferation of Nuclear Weapons is signed in Washington, D.C., London and Moscow by sixty-two countries.
August 28 » The police rioted during the Democratic National Convention, beating up anti-war protesters, peaceful demonstrators, innocent bystanders, and members of the press.
October 31 » Vietnam War October surprise: Citing progress with the Paris peace talks, US President Lyndon B. Johnson announces to the nation that he has ordered a complete cessation of "all air, naval, and artillery bombardment of North Vietnam" effective November 1.
December 22 » Cultural Revolution: People's Daily posted the instructions of Mao Zedong that "The intellectual youth must go to the country, and will be educated from living in rural poverty."
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I540837.php : accessed January 28, 2026), "Olof Persson (1899-1968)".
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