The temperature on April 18, 1887 was about 13.2 °C. The air pressure was 14 kgf/m2 and came mainly from the west. The airpressure was 77 cm mercury. The atmospheric humidity was 47%. 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.
January 20 » The United States Senate allows the Navy to lease Pearl Harbor as a naval base.
February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
May 9 » Buffalo Bill Cody's Wild West Show opens in London.
June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
Day of death August 18, 1961
The temperature on August 18, 1961 was between 11.2 °C and 17.8 °C and averaged 15.2 °C. There was 1.2 mm of rain during 0.3 hours. There was 0.1 hours of sunshine (1%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 17 » U.S. President Dwight D. Eisenhower delivers a televised farewell address to the nation three days before leaving office, in which he warns against the accumulation of power by the "military–industrial complex" as well as the dangers of massive spending, especially deficit spending.
February 12 » The Soviet Union launches Venera 1 towards Venus.
March 29 » The Twenty-third Amendment to the United States Constitution is ratified, allowing residents of Washington, D.C., to vote in presidential elections.
April 17 » Bay of Pigs Invasion: A group of Cuban exiles financed and trained by the CIA lands at the Bay of Pigs in Cuba with the aim of ousting Fidel Castro.
May 28 » Peter Benenson's article The Forgotten Prisoners is published in several internationally read newspapers. This will later be thought of as the founding of the human rights organization Amnesty International.
July 19 » Tunisia imposes a blockade on the French naval base at Bizerte; the French would capture the entire town four days later.
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/P6865.php : accessed January 4, 2026), "Katharine Lowell ROOSEVELT ...Reeve (1887-1961)".
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