The temperature on May 1, 1885 was about 15.3 °C. The air pressure was 2 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 56%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
March 14 » The Mikado, a light opera by W. S. Gilbert and Arthur Sullivan, receives its first public performance at the Savoy Theatre in London.
April 2 » Canadian Cree warriors attack the village of Frog Lake, killing nine.
July 1 » The Congo Free State is established by King Leopold II of Belgium.
September 22 » Lord Randolph Churchill makes a speech in Ulster in opposition to the Irish Home Rule movement.
October 13 » The Georgia Institute of Technology is founded in Atlanta, Georgia.
November 28 » Bulgarian victory in the Serbo-Bulgarian War preserves the Unification of Bulgaria.
Day of marriage May 21, 1904
The temperature on May 21, 1904 was between 4.0 °C and 11.5 °C and averaged 8.3 °C. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
April 8 » The French Third Republic and the United Kingdom of Great Britain and Ireland sign the Entente cordiale.
April 30 » The Louisiana Purchase Exposition World's Fair opens in St. Louis, Missouri.
May 21 » The Fédération Internationale de Football Association (FIFA) is founded in Paris.
July 21 » Louis Rigolly, a Frenchman, becomes the first man to break the 100mph (161km/h) barrier on land. He drove a 15-liter Gobron-Brillié in Ostend, Belgium.
October 4 » The IFK Göteborg football club is founded in Sweden.
December 7 » Comparative fuel trials begin between warships HMSSpiteful and HMSPeterel: Spiteful was the first warship powered solely by fuel oil, and the trials led to the obsolescence of coal in ships of the Royal Navy.
Day of death May 18, 1975
The temperature on May 18, 1975 was between 9.9 °C and 14.8 °C and averaged 12.0 °C. There was 1.8 hours of sunshine (11%). 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 Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
March 10 » Vietnam War: Ho Chi Minh Campaign: North Vietnamese troops attack Ban Mê Thuột in the South on their way to capturing Saigon in the final push for victory over South Vietnam.
March 25 » Faisal of Saudi Arabia is shot and killed by a mentally ill nephew.
April 3 » Bobby Fischer refuses to play in a chess match against Anatoly Karpov, giving Karpov the title of World Champion by default.
April 29 » Vietnam War: Operation Frequent Wind: The U.S. begins to evacuate U.S. citizens from Saigon before an expected North Vietnamese takeover. U.S. involvement in the war comes to an end.
August 15 » Takeo Miki makes the first official pilgrimage to Yasukuni Shrine by an incumbent prime minister on the anniversary of the end of World War II.
September 16 » Papua New Guinea gains independence from Australia.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I50305.php : accessed October 20, 2026), "Grietje Boonstra (1885-1975)".
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