The temperature on April 16, 1915 was between 3.4 °C and 14.7 °C and averaged 9.6 °C. There was 1.0 mm of rain. There was 9.3 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
January 19 » Georges Claude patents the neon discharge tube for use in advertising.
January 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
July 16 » Henry James becomes a British citizen to highlight his commitment to Britain during the first World War.
December 20 » World War I: The last Australian troops are evacuated from Gallipoli.
Day of marriage August 21, 1941
The temperature on August 21, 1941 was between 10.2 °C and 18.8 °C and averaged 14.3 °C. There was 4.2 mm of rain during 0.7 hours. There was 7.6 hours of sunshine (53%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
December 14 » World War II: Japan signs a treaty of alliance with Thailand.
December 19 » World War II: Adolf Hitler appoints himself as head of the Oberkommando des Heeres.
Day of death May 31, 1993
The temperature on May 31, 1993 was between 11.2 °C and 17.1 °C and averaged 14.1 °C. There was -0.1 mm of rain. There was 4.9 hours of sunshine (30%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 28 » The Bureau of Alcohol, Tobacco and Firearms agents raid the Branch Davidian church in Waco, Texas with a warrant to arrest the group's leader David Koresh. Four ATF agents and six Davidians die in the initial raid, starting a 51-day standoff.
March 27 » Italian former minister and Christian Democracy leader Giulio Andreotti is accused of mafia allegiance by the tribunal of Palermo.
April 8 » The Republic of North Macedonia joins the United Nations.
July 25 » Israel launches a massive attack against Lebanon in what the Israelis call Operation Accountability, and the Lebanese call the Seven-Day War.
August 31 » Russia completes removing its troops from Lithuania.
September 22 » A barge strikes a railroad bridge near Mobile, Alabama, causing the deadliest train wreck in Amtrak history. Forty-seven passengers are killed.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I484192.php : accessed February 11, 2026), "Sophia Siccama (1915-1993)".
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