The temperature on March 15, 1956 was between -1.9 °C and 4.9 °C and averaged 0.9 °C. There was 3.1 hours of sunshine (26%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
April 19 » Actress Grace Kelly marries Prince Rainier of Monaco.
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
May 20 » In Operation Redwing, the first United States airborne hydrogen bomb is dropped over Bikini Atoll in the Pacific Ocean.
June 11 » Start of Gal Oya riots, the first reported ethnic riots that target minority Sri Lankan Tamils in the Eastern Province. The total number of deaths is reportedly 150.
September 27 » USAF Captain Milburn G. Apt becomes the first person to exceed Mach 3. Shortly thereafter, the Bell X-2 goes out of control and Captain Apt is killed.
October 14 » Dr. B. R. Ambedkar, leader of India's Untouchable caste, converts to Buddhism along with 385,000 of his followers (see Neo-Buddhism).
Day of marriage June 13, 1974
The temperature on June 13, 1974 was between 7.5 °C and 18.9 °C and averaged 14.4 °C. There was -0.1 mm of rain. There was 10.5 hours of sunshine (63%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 6 » In response to the 1973 oil crisis, daylight saving time commences nearly four months early in the United States.
April 29 » Watergate scandal: United States President Richard Nixon announces the release of edited transcripts of White House tape recordings relating to the scandal.
May 16 » Josip Broz Tito is elected president for life of Yugoslavia.
June 27 » U.S. president Richard Nixon visits the Soviet Union.
November 13 » Ronald DeFeo, Jr. murders his entire family in Amityville, Long Island in the house that would become known as The Amityville Horror.
December 8 » A plebiscite results in the abolition of monarchy in Greece.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I322707.php : accessed January 9, 2026), "Adriana Cornelia Maria Wirken (1956-)".
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