March 2 » In New York City the Martha Washington Hotel opens, becoming the first hotel exclusively for women.
April 29 » A landslide kills 70 people in Frank, in the District of Alberta, Canada.
May 29 » In the May Coup, Alexander I, King of Serbia, and Queen Draga, are assassinated in Belgrade by the Black Hand (Crna Ruka) organization.
August 3 » Macedonian rebels in Kruševo proclaim the Kruševo Republic, which exists for only ten days before Ottoman Turks lay waste to the town.
August 29 » The Slava, the last of the five Borodino-class battleships, is launched.
December 17 » The Wright brothers make the first controlled powered, heavier-than-air flight in the Wright Flyer at Kitty Hawk, North Carolina.
Day of marriage June 1, 1935
The temperature on June 1, 1935 was between 5.4 °C and 16.2 °C and averaged 11.5 °C. There was 4.9 hours of sunshine (30%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 7 » Benito Mussolini and French Foreign minister Pierre Laval sign the Franco-Italian Agreement.
March 21 » Shah of Iran Reza Shah Pahlavi formally asks the international community to call Persia by its native name, Iran.
May 25 » Jesse Owens of Ohio State University breaks three world records and ties a fourth at the Big Ten Conference Track and Field Championships in Ann Arbor, Michigan.
June 12 » A ceasefire is negotiated between Bolivia and Paraguay, ending the Chaco War.
August 14 » Franklin D. Roosevelt signs the Social Security Act, creating a government pension system for the retired.
October 19 » The League of Nations places economic sanctions on Italy for its invasion of Ethiopia.
Day of death July 10, 1981
The temperature on July 10, 1981 was between 16.9 °C and 23.3 °C and averaged 19.4 °C. There was 7.0 mm of rain during 1.1 hours. There was 0.5 hours of sunshine (3%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
April 11 » A massive riot in Brixton, south London results in almost 300 police injuries and 65 serious civilian injuries.
August 1 » MTV begins broadcasting in the United States and airs its first video, "Video Killed the Radio Star" by The Buggles.
August 5 » President Ronald Reagan fires 11,359 striking air-traffic controllers who ignored his order for them to return to work.
August 19 » Gulf of Sidra Incident: United States fighters intercept and shoot down two Libyan Sukhoi Su-22 fighter jets over the Gulf of Sidra.
August 25 » Voyager 2 spacecraft makes its closest approach to Saturn.
September 3 » The Convention on the Elimination of All Forms of Discrimination Against Women, an international bill of rights for women, is instituted by the United Nations.
Day of burial July 15, 1981
The temperature on July 15, 1981 was between 13.2 °C and 20.6 °C and averaged 16.3 °C. There was -0.1 mm of rain. There was 5.6 hours of sunshine (34%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
May 5 » Bobby Sands dies in the Long Kesh prison hospital after 66 days of hunger-striking, aged 27.
July 29 » After impeachment on June 21, Abolhassan Banisadr flees with Massoud Rajavi to Paris, in an Iranian Air Force Boeing 707, piloted by Colonel Behzad Moezzi, to form the National Council of Resistance of Iran.
August 30 » President Mohammad-Ali Rajai and Prime Minister Mohammad-Javad Bahonar of Iran are assassinated in a bombing committed by the People's Mujahedin of Iran.
September 21 » Belize is granted full independence from the United Kingdom.
October 14 » Vice President Hosni Mubarak is elected as the President of Egypt, one week after the assassination of Anwar Sadat.
October 21 » Andreas Papandreou becomes Prime Minister of Greece, ending an almost 50-year-long system of power dominated by conservative forces.
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The Family tree Van Os publication was prepared by wijlen Harry Lubberman (as indicated in the digital, genealogical legacy, this publication remains online, contact is not possible).
When copying data from this family tree, please include a reference to the origin: wijlen Harry Lubberman, "Family tree Van Os", database, Genealogy Online (https://www.genealogieonline.nl/van-os-stamboom/I8527.php : accessed February 2, 2026), "Anna Walburga Hermina Sibum (1903-1981)".
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