The temperature on April 9, 1918 was between 6.1 °C and 13.4 °C and averaged 9.0 °C. There was 1.4 hours of sunshine (10%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
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.
March 19 » The US Congress establishes time zones and approves daylight saving time.
March 21 » World War I: The first phase of the German Spring Offensive, Operation Michael, begins.
March 31 » Daylight saving time goes into effect in the United States for the first time.
October 10 » RMS Leinster is torpedoed and sunk by UB-123, killing 564, the worst-ever on the Irish Sea.
October 29 » The German High Seas Fleet is incapacitated when sailors mutiny on the night of the 29th-30th, an action which would trigger the German Revolution of 1918–19.
December 27 » The Great Poland Uprising against the Germans begins.
Day of marriage April 14, 1945
The temperature on April 14, 1945 was between 7.9 °C and 15.6 °C and averaged 10.8 °C. Source: KNMI
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.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
January 17 » World War II: The Vistula–Oder Offensive forces German troops out of Warsaw.
March 10 » World War II: The U.S. Army Air Force firebombs Tokyo, and the resulting conflagration kills more than 100,000 people, mostly civilians.
March 21 » World War II: Operation Carthage: Royal Air Force planes bomb Gestapo headquarters in Copenhagen, Denmark. They also accidentally hit a school, killing 125 civilians.
July 16 » World War II: The heavy cruiser USSIndianapolis leaves San Francisco with parts for the atomic bomb "Little Boy" bound for Tinian Island.
July 17 » World War II: The main three leaders of the Allied nations, Winston Churchill, Harry S. Truman and Joseph Stalin, meet in the German city of Potsdam to decide the future of a defeated Germany.
October 21 » French women vote for the first time during the 1945 French legislative election.
Day of death May 12, 1998
The temperature on May 12, 1998 was between 15.0 °C and 32.0 °C and averaged 24.1 °C. There was 11.9 hours of sunshine (77%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
In The Netherlands , there was from Monday, August 3, 1998 to Monday, July 22, 2002 the cabinet Kok II, with W. Kok (PvdA) as prime minister.
February 28 » Kosovo War: Serbian police begin the offensive against the Kosovo Liberation Army in Kosovo.
May 2 » The European Central Bank is founded in Brussels in order to define and execute the European Union's monetary policy.
May 12 » Four students are shot at Trisakti University, leading to widespread riots and the fall of Suharto.
June 3 » After suffering a mechanical failure, a high speed train derails at Eschede, Germany, killing 101 people.
August 15 » Northern Ireland: Omagh bombing takes place; 29 people (including a woman pregnant with twins) killed and some 220 others injured.
December 31 » The European Exchange Rate Mechanism freezes the values of the legacy currencies in the Eurozone, and establishes the value of the euro currency.
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The Genealogische database Eisenga publication was prepared by Ruut Eisenga (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Ruut Eisenga, "Genealogische database Eisenga", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-eisenga/I5713.php : accessed February 24, 2026), "Pieter Aldert Heidema (1918-1998)".
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