January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
May 17 » Second Boer War: British troops relieve Mafeking.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
Day of marriage May 13, 1930
The temperature on May 13, 1930 was between 5.2 °C and 14.8 °C and averaged 10.9 °C. There was 0.3 mm of rain during 0.5 hours. There was 1.0 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
January 26 » The Indian National Congress declares 26 January as Independence Day or as the day for Poorna Swaraj ("Complete Independence") which occurred 17 years later.
February 16 » The Romanian Football Federation joins FIFA.
March 6 » International Unemployment Day demonstrations globally initiated by the Comintern.
June 21 » One-year conscription comes into force in France.
August 16 » The first color sound cartoon, Fiddlesticks, is released by Ub Iwerks.
September 6 » Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I34787.php : accessed February 24, 2026), "Johannes Henricus van Haarlem (1900-)".
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