The temperature on February 1, 1915 was between -1.5 °C and 5.6 °C and averaged 1.3 °C. There was 5.1 hours of sunshine (56%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
June 5 » Denmark amends its constitution to allow women's suffrage.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of marriage April 23, 1937
The temperature on April 23, 1937 was between 3.9 °C and 12.5 °C and averaged 8.9 °C. There was 1.0 hours of sunshine (7%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
February 16 » Wallace H. Carothers receives a United States patent for nylon.
February 21 » The League of Nations bans foreign national "volunteers" in the Spanish Civil War.
March 8 » Spanish Civil War: The Battle of Guadalajara begins.
June 3 » The Duke of Windsor marries Wallis Simpson.
July 22 » New Deal: The United States Senate votes down President Franklin D. Roosevelt's proposal to add more justices to the Supreme Court of the United States.
October 9 » Murder of 9 Catholic priests in Zhengding, China, who protected the local population from the advancing Japanese army.
Day of death February 15, 1992
The temperature on February 15, 1992 was between 4.8 °C and 10.3 °C and averaged 8.0 °C. There was 2.4 mm of rain during 3.2 hours. There was 0.7 hours of sunshine (7%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) 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.
February 26 » Nagorno-Karabakh War: Khojaly Massacre: Armenian armed forces open fire on Azeri civilians at a military post outside the town of Khojaly leaving hundreds dead.
February 29 » First day of Bosnia and Herzegovina independence referendum.
April 2 » In New York, Mafia boss John Gotti is convicted of murder and racketeering and is later sentenced to life in prison.
May 7 » Three employees at a McDonald's Restaurant in Sydney, Nova Scotia, Canada, are brutally murdered and a fourth permanently disabled after a botched robbery. It is the first "fast-food murder" in Canada.
September 16 » Black Wednesday: The British pound is forced out of the European Exchange Rate Mechanism by currency speculators and is forced to devalue against the German mark.
September 16 » The trial of the deposed Panamanian dictator Manuel Noriega ends in the United States with a 40-year sentence for drug trafficking and money laundering.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I15871.php : accessed January 13, 2026), "Petrus Johannes Dreyer (1915-1992)".
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