February 27 » King George I of Greece survives an assassination attempt.
March 16 » In Melbourne the representatives of five colonies adopted a constitution, which would become the basis of the Commonwealth of Australia.
June 22 » Spanish–American War: In a chaotic operation, 6,000 men of the U.S. Fifth Army Corps begins landing at Daiquirí, Cuba, about 16 miles (26km) east of Santiago de Cuba. Lt. Gen. Arsenio Linares y Pombo of the Spanish Army outnumbers them two-to-one, but does not oppose the landings.
September 10 » Empress Elisabeth of Austria is assassinated by Luigi Lucheni.
October 1 » The Vienna University of Economics and Business Administration is founded under the name k.u.k. Exportakademie.
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
Day of death May 20, 1950
The temperature on May 20, 1950 was between 11.0 °C and 23.5 °C and averaged 15.7 °C. There was 5.1 mm of rain during 4.9 hours. There was 6.6 hours of sunshine (41%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
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).
February 8 » Cold War: The Stasi, the secret police of East Germany, is established.
March 12 » The Llandow air disaster kills 80 people when the aircraft they are travelling in crashes near Sigingstone, Wales. At the time this was the world's deadliest air disaster.
July 5 » Zionism: The Knesset passes the Law of Return which grants all Jews the right to immigrate to Israel.
July 16 » Chaplain–Medic massacre: American POWs are massacred by North Korean Army.
November 13 » General Carlos Delgado Chalbaud, President of Venezuela, is assassinated in Caracas.
November 17 » Lhamo Dondrub is officially named the 14th Dalai Lama.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I64485.php : accessed March 11, 2026), "Willem Jacobus Onderwater (1898-1950)".
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