The temperature on August 17, 1914 was between 12.0 °C and 22.1 °C and averaged 17.3 °C. There was 11.1 hours of sunshine (76%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-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.
April 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
June 28 » Archduke Franz Ferdinand of Austria and his wife Sophie are assassinated in Sarajevo; this is the casus belli of World War I.
July 11 » USSNevada(BB-36) is launched.
July 29 » The Cape Cod Canal opened.
September 5 » World War I: First Battle of the Marne begins. Northeast of Paris, the French attack and defeat German forces who are advancing on the capital.
September 18 » The Irish Home Rule Act becomes law, but is delayed until after World War I.
Day of marriage June 30, 1937
The temperature on June 30, 1937 was between 10.6 °C and 17.3 °C and averaged 13.7 °C. There was 2.8 mm of rain during 3.1 hours. There was 3.4 hours of sunshine (20%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
March 21 » Ponce massacre: Nineteen people in Ponce, Puerto Rico are gunned down by police acting on orders of the US-appointed Governor, Blanton C. Winship.
April 1 » Aden becomes a British crown colony.
May 21 » A Soviet station, North Pole-1, becomes the first scientific research settlement to operate on the drift ice of the Arctic Ocean.
May 26 » Walter Reuther and members of the United Auto Workers (UAW) clashed with Ford Motor Company security guards at the River Rouge Complex complex in Dearborn, Michigan, during the Battle of the Overpass.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
September 5 » Spanish Civil War: Llanes falls to the Nationalists following a one-day siege.
Day of death August 17, 1988
The temperature on August 17, 1988 was between 6.9 °C and 22.5 °C and averaged 14.8 °C. There was 10.7 hours of sunshine (73%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
April 10 » The Ojhri Camp explosion kills or injures more than 1,000 people in Rawalpindi and Islamabad, Pakistan.
June 1 » The Intermediate-Range Nuclear Forces Treaty comes into effect.
September 12 » Hurricane Gilbert devastates Jamaica; it turns towards Mexico's Yucatán Peninsula two days later, causing an estimated $5 billion in damage.
November 3 » Sri Lankan Tamil mercenaries attempt to overthrow the Maldivian government. At President Maumoon Abdul Gayoom's request, the Indian military suppresses the rebellion within 24 hours.
December 8 » A United States Air Force A-10 Thunderbolt II crashes into an apartment complex in Remscheid, Germany, killing 5 people and injuring 50 others.
December 21 » A bomb explodes on board Pan Am Flight 103 over Lockerbie, Dumfries and Galloway, Scotland, killing 270. This is to date the deadliest air disaster to occur in British soil.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P6619.php : accessed February 24, 2026), "Franklin Delano Roosevelt Jr. (1914-1988)".
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