June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
Day of death June 3, 1987
The temperature on June 3, 1987 was between 10.6 °C and 16.6 °C and averaged 13.5 °C. There was 1.2 mm of rain during 2.0 hours. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. 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.
January 1 » The Isleta Pueblo tribe elect Verna Williamson to be their first female governor.
June 11 » Diane Abbott, Paul Boateng and Bernie Grant are elected as the first black MPs in Great Britain.
September 2 » In Moscow, the trial begins for 19-year-old pilot Mathias Rust, who flew his Cessna airplane into Red Square in May.
October 11 » Start of Operation Pawan by Indian forces in Sri Lanka. Thousands of civilians, insurgents, soldiers die.
October 11 » The AIDS Memorial Quilt is first displayed during the Second National March on Washington for Lesbian and Gay Rights.
December 8 » Cold War: The Intermediate-Range Nuclear Forces Treaty is signed by U.S. President Ronald Reagan and Soviet leader Mikhail Gorbachev in the White House.
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/I44766.php : accessed January 27, 2026), "Aalt Leijenhorst (1897-1987)".
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