The temperature on March 12, 1911 was between 1.6 °C and 8.0 °C and averaged 4.8 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
July 1 » Germany despatches the gunship SMSPanther to Morocco, sparking the Agadir Crisis.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
September 29 » Italy declares war on the Ottoman Empire.
Day of death January 2, 1989
The temperature on January 2, 1989 was between 2.1 °C and 8.4 °C and averaged 5.7 °C. The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east-southeast. 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.
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 8 » Kegworth air disaster: British Midland Flight 92, a Boeing 737-400, crashes into the M1 motorway, killing 47 of the 126 people on board.
June 4 » The Tiananmen Square protests are suppressed in Beijing by the People's Liberation Army, with between 241 and 1,000 dead (an unofficial estimate).
June 21 » The U.S. Supreme Court rules in Texas v. Johnson, 491 U.S. 397, that American flag-burning is a form of political protest protected by the First Amendment.
November 9 » Cold War: Fall of the Berlin Wall: East Germany opens checkpoints in the Berlin Wall, allowing its citizens to travel to West Berlin.
November 28 » Cold War: Velvet Revolution: In the face of protests, the Communist Party of Czechoslovakia announces it will give up its monopoly on political power.
December 3 » Cold War: In a meeting off the coast of Malta, U.S. President George H. W. Bush and Soviet leader Mikhail Gorbachev release statements indicating that the Cold War between NATO and the Soviet Union may be coming to an end.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I61320.php : accessed January 8, 2026), "Herman Johannes Kerseboom (1911-1989)".
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