The temperature on May 20, 1944 was between 5.8 °C and 14.8 °C and averaged 9.7 °C. There was 3.7 mm of rain during 2.7 hours. There was 2.1 hours of sunshine (13%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 4 » World War II: Operation Carpetbagger, involving the dropping of arms and supplies to resistance fighters in Europe, begins.
April 17 » Forces of the Communist-controlled Greek People's Liberation Army attack the smaller National and Social Liberation resistance group, which surrenders. Its leader Dimitrios Psarros is murdered.
April 24 » World War II: The SBS launches a raid against the garrison of Santorini in Greece.
June 26 » World War II: San Marino, a neutral state, is mistakenly bombed by the RAF based on faulty information, leading to 35 civilian deaths.
September 12 » World War II: The liberation of Yugoslavia from Axis occupation continues. Bajina Bašta in western Serbia is among the liberated cities.
November 10 » The ammunition ship USSMount Hood explodes at Seeadler Harbour, Manus, Admiralty Islands, killing at least 432 and wounding 371.
Day of death May 18, 1987
The temperature on May 18, 1987 was between 7.8 °C and 12.7 °C and averaged 10.1 °C. There was 1.2 mm of rain during 0.7 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. 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.
February 23 » Supernova 1987a is seen in the Large Magellanic Cloud.
June 11 » Diane Abbott, Paul Boateng and Bernie Grant are elected as the first black MPs in Great Britain.
July 5 » Sri Lankan Civil War: The LTTE uses suicide attacks on the Sri Lankan Army for the first time. The Black Tigers are born and, in the following years, will continue to kill with the tactic.
August 16 » Northwest Airlines Flight 255, a McDonnell Douglas MD-82, crashes after takeoff in Detroit, Michigan, killing 154 of the 155 on board, plus two people on the ground.
September 16 » The Montreal Protocol is signed to protect the ozone layer from depletion.
December 9 » Israeli–Palestinian conflict: The First Intifada begins in the Gaza Strip and West Bank.
When copying data from this family tree, please include a reference to the origin: Arie Verloop, "Family tree Verloop", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verloop/I2573.php : accessed January 1, 2026), "Tjerk de BOER (± 1910-1987)".
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