The temperature on March 21, 1912 was between 0.8 °C and 8.8 °C and averaged 4.8 °C. There was 7.1 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. Source: KNMI
April 17 » Russian troops open fire on striking goldfield workers in northeast Siberia, killing at least 150.
September 28 » The Ulster Covenant is signed by some 500,000 Ulster Protestant Unionists in opposition to the Third Irish Home Rule Bill.
October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
November 12 » King George I of Greece makes a triumphal entry into Thessaloniki after its liberation from 482 years of Ottoman rule.
November 19 » First Balkan War: The Serbian Army captures Bitola, ending the five-century-long Ottoman rule of Macedonia.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
Day of marriage March 21, 1939
The temperature on March 21, 1939 was between 0.2 °C and 8.2 °C and averaged 4.4 °C. There was 0.2 mm of rain during 0.2 hours. There was 4.1 hours of sunshine (34%). The average windspeed was 6 Bft (strong wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
March 23 » The Hungarian air force attacks the headquarters of the Slovak air force in Spišská Nová Ves, killing 13 people and beginning the Slovak–Hungarian War.
April 20 » Adolf Hitler's 50th birthday's celebrations in Germany
August 2 » Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.
September 1 » World War II: Nazi Germany and Slovakia invade Poland, beginning the European phase of World War II.
November 17 » Nine Czech students are executed as a response to anti-Nazi demonstrations prompted by the death of Jan Opletal. All Czech universities are shut down and more than 1,200 students sent to concentration camps. Since this event, International Students' Day is celebrated in many countries, especially in the Czech Republic.
December 4 » World War II: HMSNelson is struck by a mine (laid by U-31) off the Scottish coast and is laid up for repairs until August 1940.
Day of death June 18, 1991
The temperature on June 18, 1991 was between 8.9 °C and 15.4 °C and averaged 11.8 °C. There was 6.3 mm of rain during 3.3 hours. There was 3.2 hours of sunshine (19%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) 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.
January 9 » Representatives from the United States and Iraq meet at the Geneva Peace Conference to try to find a peaceful resolution to the Iraqi invasion of Kuwait.
March 2 » Battle at Rumaila oil field brings an end to the 1991 Gulf War.
August 25 » Linus Torvalds announces the first version of what will become Linux.
August 30 » Dissolution of the Soviet Union: Azerbaijan declares independence from Soviet Union.
September 6 » The Russian parliament approves the name change of Leningrad back to Saint Petersburg. The change is effective October 1, 1991.
September 17 » Estonia, North Korea, South Korea, Latvia, Lithuania, the Marshall Islands and Micronesia join the United Nations.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I6906.php : accessed March 15, 2026), "Arie Jan Snel (1912-1991)".
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