The temperature on July 30, 1918 was between 11.2 °C and 20.0 °C and averaged 15.2 °C. There was 4.5 hours of sunshine (29%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. 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.
January 8 » U.S. President Woodrow Wilson announces his "Fourteen Points" for the aftermath of World War I.
January 25 » The Ukrainian People's Republic declares independence from Soviet Russia.
February 3 » The Twin Peaks Tunnel in San Francisco, California begins service as the longest streetcar tunnel in the world at 11,920 feet (3,633 meters) long.
April 20 » Manfred von Richthofen, a.k.a. The Red Baron, shoots down his 79th and 80th victims, his final victories before his death the following day.
July 17 » Tsar Nicholas II of Russia and his immediate family and retainers are executed by Bolshevik Chekists at the Ipatiev House in Yekaterinburg, Russia.
August 21 » World War I: The Second Battle of the Somme begins.
Day of death April 18, 1998
The temperature on April 18, 1998 was between 7.1 °C and 12.3 °C and averaged 9.3 °C. There was 0.1 mm of rain during 0.4 hours. There was 0.7 hours of sunshine (5%). The almost completely overcast 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 23 » In the United States, tornadoes in central Florida destroy or damage 2,600 structures and kill 42 people.
May 26 » The first "National Sorry Day" was held in Australia, and reconciliation events were held nationally, and attended by over a million people.
August 28 » Pakistan's National Assembly passes a constitutional amendment to make the "Qur'an and Sunnah" the "supreme law" but the bill is defeated in the Senate.
October 29 » Hurricane Mitch, the second deadliest Atlantic hurricane in history, makes landfall in Honduras.
November 20 » The first space station module component, Zarya, for the International Space Station was launched from the Baikonur Cosmodrome in Kazakhstan.
December 6 » in Venezuela, Hugo Chávez is victorious in presidential elections.
When copying data from this family tree, please include a reference to the origin: Gerrit Potman, "Family tree Potman (Markelo)", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-potman/I5482.php : accessed March 4, 2026), "Jan Schoemaker (1918-1998)".
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