February 18 » Second Boer War: Imperial forces suffer their worst single-day loss of life on Bloody Sunday, the first day of the Battle of Paardeberg.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
June 21 » Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi.
July 27 » Kaiser Wilhelm II makes a speech comparing Germans to Huns; for years afterwards, "Hun" would be a disparaging name for Germans.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of marriage February 1, 1937
The temperature on February 1, 1937 was between 2.7 °C and 8.9 °C and averaged 5.5 °C. There was 1.8 mm of rain during 1.3 hours. There was 0.8 hours of sunshine (9%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
March 18 » Spanish Civil War: Spanish Republican forces defeat the Italians at the Battle of Guadalajara.
April 1 » The Royal New Zealand Air Force is formed as an independent service.
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.
September 5 » Spanish Civil War: Llanes falls to the Nationalists following a one-day siege.
September 10 » Nine nations attend the Nyon Conference to address international piracy in the Mediterranean Sea.
December 9 » Second Sino-Japanese War: Battle of Nanking: Japanese troops under the command of Lt. Gen. Asaka Yasuhiko launch an assault on the Chinese city of Nanjing (Nanking).
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I174388.php : accessed March 14, 2026), "Wilhelmina Henrica Petronella van Blerk (1900-)".
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