The temperature on May 20, 1915 was between 9.7 °C and 16.5 °C and averaged 13.0 °C. There was 1.5 hours of sunshine (9%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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 13 » The 6.7 Mw Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
February 8 » D. W. Griffith's controversial film The Birth of a Nation premieres in Los Angeles.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
July 28 » The United States begins a 19-year occupation of Haiti.
September 25 » World War I: The Second Battle of Champagne begins.
Day of marriage May 3, 1946
The temperature on May 3, 1946 was between 6.7 °C and 16.4 °C and averaged 11.2 °C. There was 9.5 hours of sunshine (63%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
February 1 » The Parliament of Hungary abolishes the monarchy after nine centuries, and proclaims the Hungarian Republic.
February 8 » The first portion of the Revised Standard Version of the Bible, the first serious challenge to the popularity of the Authorized King James Version, is published.
April 18 » The International Court of Justice holds its inaugural meeting in The Hague, Netherlands.
May 5 » The International Military Tribunal for the Far East begins in Tokyo with twenty-eight Japanese military and government officials accused of war crimes and crimes against humanity.
June 1 » Ion Antonescu, "Conducator" ("Leader") of Romania during World War II, is executed.
December 25 » The first European self-sustaining nuclear chain reaction is initiated within the Soviet Union's F-1 nuclear reactor.
Day of death July 25, 1987
The temperature on July 25, 1987 was between 9.0 °C and 17.4 °C and averaged 13.5 °C. There was 0.4 mm of rain during 0.8 hours. There was 10.1 hours of sunshine (64%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. 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 4 » The Maryland train collision: An Amtrak train en route to Boston from Washington, D.C., collides with Conrail engines in Chase, Maryland, United States, killing 16 people.
April 11 » The London Agreement is secretly signed between Israeli Foreign Affairs Minister Shimon Peres and King Hussein of Jordan.
May 28 » A West German pilot, Mathias Rust, who was 18 years old, evades Soviet Union air defences and lands a private plane in the Red Square in Moscow, Russia.
July 1 » The American radio station WFAN in New York City is launched as the world's first all-sports radio station.
July 31 » A tornado occurs in Edmonton, Canada.
November 22 » Two Chicago television stations are hijacked by an unknown pirate dressed as Max Headroom.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I1734.php : accessed March 13, 2026), "Johannes Cornelis Hendricus "Jan" (van) Berlo (1915-1987)".
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