The temperature on April 23, 1956 was between 0.3 °C and 10.1 °C and averaged 5.6 °C. There was 7.6 hours of sunshine (53%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 4 » The Greek National Radical Union is formed by Konstantinos Karamanlis.
May 1 » A doctor in Japan reports an "epidemic of an unknown disease of the central nervous system", marking the official discovery of Minamata disease.
June 29 » The Federal Aid Highway Act of 1956 is signed by U.S. President Dwight D. Eisenhower, officially creating the United States Interstate Highway System.
June 30 » A TWA Super Constellation and a United Airlines DC-7 collide above the Grand Canyon in Arizona and crash, killing all 128 on board both airliners.
July 25 » Forty-five miles south of Nantucket Island, the Italian ocean liner SSAndrea Doria collides with the MSStockholm in heavy fog and sinks the next day, killing 51.
November 5 » Suez Crisis: British and French paratroopers land in Egypt after a week-long bombing campaign.
Day of marriage June 30, 1989
The temperature on June 30, 1989 was between 3.8 °C and 20.1 °C and averaged 14.1 °C. There was -0.1 mm of rain. There was 10.7 hours of sunshine (64%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south east. 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.
April 7 » Soviet submarine Komsomolets sinks in the Barents Sea off the coast of Norway killing 42 sailors.
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.
July 17 » Holy See–Poland relations are restored.
October 19 » The convictions of the Guildford Four are quashed by the Court of Appeal of England and Wales, after they had spent 15 years in prison.
December 16 » U.S. Appeals Court Judge Robert Smith Vance is assassinated by a mail bomb sent by Walter Leroy Moody, Jr.
December 28 » A magnitude 5.6 earthquake hits Newcastle, New South Wales, Australia, killing 13 people.
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I160.php : accessed January 25, 2026), "Christopher John Tilly (1956-)".
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