April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
Day of death May 13, 1986
The temperature on May 13, 1986 was between 9.4 °C and 17.3 °C and averaged 12.8 °C. There was 0.3 mm of rain during 0.2 hours. There was 7.7 hours of sunshine (49%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
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.
January 13 » A month-long violent struggle begins in Aden, South Yemen between supporters of Ali Nasir Muhammad and Abdul Fattah Ismail, resulting in thousands of casualties.
May 19 » The Firearm Owners Protection Act is signed into law by U.S. President Ronald Reagan.
July 9 » The New Zealand Parliament passes the Homosexual Law Reform Act legalising homosexuality in New Zealand.
September 5 » Pan Am Flight 73 from Mumbai, India with 358 people on board is hijacked at Karachi International Airport.
September 6 » In Istanbul, two terrorists from Abu Nidal's organization kill 22 and wound six congregants inside the Neve Shalom Synagogue during Shabbat services.
November 26 » Iran–Contra affair: U.S. President Ronald Reagan announces the members of what will become known as the Tower Commission.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I13375.php : accessed January 28, 2026), "Aaltje van Meerveld (1897-1986)".
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