February 27 » Fußball-Club Bayern München is founded.
April 15 » Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
May 29 » N'Djamena is founded as Fort-Lamy by the French commander Émile Gentil.
October 19 » Max Planck discovers Planck's law of black-body radiation.
November 7 » The People's Party is founded in Cuba.
Day of marriage May 1, 1919
The temperature on May 1, 1919 was between 3.9 °C and 9.4 °C and averaged 6.5 °C. There was 4.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 15 » Great Molasses Flood: A wave of molasses released from an exploding storage tank sweeps through Boston, Massachusetts, killing 21 and injuring 150.
January 15 » Rosa Luxemburg and Karl Liebknecht, two of the most prominent socialists in Germany, are tortured and murdered by the Freikorps at the end of the Spartacist uprising.
February 6 » The American Legion is founded.
February 11 » Friedrich Ebert (SPD), is elected President of Germany.
June 21 » The Royal Canadian Mounted Police fire a volley into a crowd of unemployed war veterans, killing two, during the Winnipeg general strike.
September 28 » Race riots begin in Omaha, Nebraska.
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/I1279.php : accessed January 24, 2026), "Lambertha Mulderij (1900-)".
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