The temperature on July 30, 1919 was between 10.8 °C and 16.7 °C and averaged 13.3 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 5 » The German Workers' Party, which would become the Nazi Party, is founded in Munich.
February 14 » The Polish–Soviet War begins.
March 1 » March 1st Movement begins in Korea under Japanese rule.
April 16 » Mohandas Gandhi organizes a day of "prayer and fasting" in response to the killing of Indian protesters in the Jallianwala Bagh massacre by the British colonial troops three days earlier.
May 8 » Edward George Honey proposes the idea of a moment of silence to commemorate the Armistice of 11 November 1918 which ended World War I.
September 11 » United States Marine Corps invades Honduras.
Day of marriage July 10, 1948
The temperature on July 10, 1948 was between 12.3 °C and 19.6 °C and averaged 15.6 °C. There was 3.1 mm of rain during 4.5 hours. There was 7.8 hours of sunshine (47%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
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.
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
April 13 » In an ambush, 78 Jewish doctors, nurses and medical students from Hadassah Hospital, and a British soldier, are massacred by Arabs in Sheikh Jarrah. This event came to be known as the Hadassah medical convoy massacre.
June 22 » King George VI formally gives up the title "Emperor of India", half a year after Britain actually gave up its rule of India.
June 26 » William Shockley files the original patent for the grown-junction transistor, the first bipolar junction transistor.
July 16 » The storming of the cockpit of the Miss Macao passenger seaplane, operated by a subsidiary of the Cathay Pacific Airways, marks the first aircraft hijacking of a commercial plane.
September 17 » The Lehi (also known as the Stern gang) assassinates Count Folke Bernadotte, who was appointed by the United Nations to mediate between the Arab nations and Israel.
October 5 » The Ashgabat earthquake kills between 10,000 and 110,000 people.
Day of death February 24, 1994
The temperature on February 24, 1994 was between -0.9 °C and 0.7 °C and averaged -0.3 °C. There was 3.6 mm of rain during 9.2 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
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.
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
April 6 » The Rwandan genocide begins when the aircraft carrying Rwandan president Juvénal Habyarimana and Burundian president Cyprien Ntaryamira is shot down.
May 1 » Three-time Formula One world champion Ayrton Senna is killed in an accident whilst leading the San Marino Grand Prix at Imola.
June 18 » The Troubles: Members of the Ulster Volunteer Force (UVF) attack a crowded pub with assault rifles in Loughinisland, Northern Ireland. Six Catholic civilians are killed and five wounded. It was crowded with people watching the 1994 FIFA World Cup.
August 23 » Eugene Bullard, the only African American pilot in World War I, is posthumously commissioned as Second Lieutenant in the United States Air Force.
September 12 » Frank Eugene Corder fatally crashes a single-engine Cessna 150 into the White House's south lawn, striking the West wing. There were no other casualties.
September 16 » The British government lifts the broadcasting ban imposed against members of Sinn Féin and Irish paramilitary groups in 1988.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I375253.php : accessed February 16, 2026), "Roelof Koops (1919-1994)".
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