January 23 » The Malolos Constitution is inaugurated, establishing the First Philippine Republic. Emilio Aguinaldo is sworn in as its first President.
March 6 » Bayer registers "Aspirin" as a trademark.
July 11 » Fiat founded by Giovanni Agnelli in Turin, Italy.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
July 29 » The First Hague Convention is signed.
November 28 » The Second Boer War: a British column is engaged by Boer forces at the Battle of Modder River; although the Boers withdraw, the British suffer heavy casualties.
Day of marriage December 21, 1929
The temperature on December 21, 1929 was between -6.4 °C and -0.4 °C and averaged -3.4 °C. There was 4.2 hours of sunshine (54%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
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.
June 1 » The 1st Conference of the Communist Parties of Latin America is held in Buenos Aires.
June 8 » Margaret Bondfield is appointed Minister of Labour. She is the first woman appointed to the Cabinet of the United Kingdom.
June 21 » An agreement brokered by U.S. Ambassador Dwight Whitney Morrow ends the Cristero War in Mexico.
July 27 » The Geneva Convention of 1929, dealing with treatment of prisoners-of-war, is signed by 53 nations.
October 7 » Photius II becomes Ecumenical Patriarch of Constantinople.
November 29 » U.S. Admiral Richard E. Byrd leads the first expedition to fly over the South Pole.
Day of death July 12, 1949
The temperature on July 12, 1949 was between 9.9 °C and 27.5 °C and averaged 20.0 °C. There was 14.8 hours of sunshine (90%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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).
March 8 » President of France Vincent Auriol and ex-emperor of Annam Bảo Đại sign the Élysée Accords, giving Vietnam greater independence from France and creating the State of Vietnam to oppose Viet Minh-led Democratic Republic of Vietnam.
April 1 » Chinese Civil War: The Chinese Communist Party holds unsuccessful peace talks with the Nationalist Party in Beijing, after three years of fighting.
May 23 » Cold War: The Western occupying powers approve the Basic Law and establish a new German state, the Federal Republic of Germany.
June 8 » Helen Keller, Dorothy Parker, Danny Kaye, Fredric March, John Garfield, Paul Muni and Edward G. Robinson are named in an FBI report as Communist Party members.
August 10 » An amendment to the National Security Act of 1947 enhances the authority of the United States Secretary of Defense over the Army, Navy and Air Force, and replaces the National Military Establishment with the Department of Defense.
December 10 » Chinese Civil War: The People's Liberation Army begins its siege of Chengdu, the last Kuomintang-held city in mainland China, forcing President of the Republic of China Chiang Kai-shek and his government to retreat to Taiwan.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Van Olst", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-olst/I1099505995.php : accessed February 21, 2026), "Steven Rietberg (1899-1949)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.