February 2 » The Australian Premiers' Conference held in Melbourne decides to locate Australia's capital city, Canberra, between Sydney and Melbourne.
February 22 » Filipino forces led by General Antonio Luna launch counterattacks for the first time against the American forces during the Philippine–American War. The Filipinos fail to regain Manila from the Americans.
March 6 » Bayer registers "Aspirin" as a trademark.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
November 29 » FC Barcelona is founded by Catalan, Spanish and Englishmen. It later develops into one of Spanish football's most iconic and strongest teams.
Day of death April 13, 1957
The temperature on April 13, 1957 was between -0.3 °C and 7.7 °C and averaged 3.4 °C. There was 0.1 mm of rain during 0.1 hours. There was 5.6 hours of sunshine (41%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Thomas Westerdijk, "Family tree Westerdijk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-westerdijk/I500024.php : accessed January 19, 2026), "Hendrik Westerdijk (1899-1957)".
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