June 10 » Spanish–American War: In the Battle of Guantánamo Bay, U.S. Marines begin the American invasion of Spanish-held Cuba.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
September 18 » The Fashoda Incident triggers the last war scare between Britain and France.
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
December 10 » Spanish–American War: The Treaty of Paris is signed, officially ending the conflict.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of death January 16, 1981
The temperature on January 16, 1981 was between -2.7 and 3.7 °C. There was 5.1 mm of rain during 6.1 hours. There was 0.9 hours of sunshine (11%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the 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.
January 20 » Ronald Reagan is inaugurated the 40th President of the United States of America. Twenty minutes later, Iran releases 52 American hostages.
April 12 » The first launch of a Space Shuttle (Columbia) takes place: The STS-1 mission.
April 14 » STS-1: The first operational Space Shuttle, Columbia completes its first test flight.
May 24 » Ecuadorian president Jaime Roldós Aguilera, his wife, and his presidential committee die in an aircraft accident while travelling from Quito to Zapotillo minutes after the president gave a famous speech regarding the 24 de mayo anniversary of the Battle of Pichincha.
June 5 » The "Morbidity and Mortality Weekly Report" of the Centers for Disease Control and Prevention reports that five people in Los Angeles, California, have a rare form of pneumonia seen only in patients with weakened immune systems, in what turns out to be the first recognized cases of AIDS.
June 24 » The Humber Bridge opens to traffic, connecting Yorkshire and Lincolnshire. It remained the world's longest bridge span for 17years.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I8927.php : accessed February 3, 2026), "Jan van Olst (1898-1981)".
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.