August 5 » Peter O'Connor sets the first IAAF recognised long jump world record of 24ft 11.75in (7.6137m), a record that would stand for 20 years.
August 6 » Kiowa land in Oklahoma is opened for white settlement, effectively dissolving the contiguous reservation.
August 10 » The U.S. Steel recognition strike by the Amalgamated Association of Iron and Steel Workers begins.
August 28 » Silliman University is founded in the Philippines. It is the first American private school in the country.
September 7 » The Boxer Rebellion in Qing dynasty (modern-day China) officially ends with the signing of the Boxer Protocol.
December 10 » The first Nobel Prize ceremony is held in Stockholm on the fifth anniversary of Alfred Nobel's death.
Day of marriage July 15, 1931
The temperature on July 15, 1931 was between 13.3 °C and 18.4 °C and averaged 15.1 °C. There was 14.8 mm of rain during 6.8 hours. There was 2.1 hours of sunshine (13%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 14 » Alam Ara, India's first talking film, is released.
March 26 » Swissair is founded as the national airline of Switzerland.
July 1 » Wiley Post and Harold Gatty become the first people to circumnavigate the globe in a single-engined monoplane aircraft.
September 18 » The Mukden Incident gives Japan a pretext to invade and occupy Manchuria.
October 1 » Clara Campoamor persuades the Constituent Cortes to enfranchise women in Spain's new constitution.
December 9 » The Constituent Cortes approves a constitution which establishes the Second Spanish Republic.
Day of death May 1, 1983
The temperature on May 1, 1983 was between 9.1 °C and 15.7 °C and averaged 11.1 °C. There was 12.1 mm of rain during 11.8 hours. There was 0.9 hours of sunshine (6%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 8 » The Melbourne dust storm hits Australia's second largest city. The result of the worst drought on record and a day of severe weather conditions, a 320 metres (1,050ft) deep dust cloud envelops the city, turning day to night.
April 25 » Pioneer 10 travels beyond Pluto's orbit.
September 19 » Saint Kitts and Nevis gains its independence.
September 26 » Australia II wins the America's Cup, ending the New York Yacht Club's 132-year domination of the race.
September 26 » Soviet Air Force officer Stanislav Petrov identifies a report of an incoming nuclear missile as a computer error and not an American first strike.
November 2 » U.S. President Ronald Reagan signs a bill creating Martin Luther King, Jr. Day.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Apool", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-apool/I1099522609.php : accessed February 26, 2026), "Peter Rietberg (1901-1983)".
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