The temperature on March 28, 1921 was between 1.7 °C and 10.6 °C and averaged 7.0 °C. There was 0.6 mm of rain. There was 1.7 hours of sunshine (13%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 15 » Kingdom of Romania establishes its legation in Helsinki.
February 21 » Constituent Assembly of the Democratic Republic of Georgia adopts the country's first constitution.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
July 23 » The Communist Party of China (CPC) is established at the founding National Congress.
October 5 » The World Series is the first to be broadcast on radio.
Day of death May 10, 1997
The temperature on May 10, 1997 was between 6.9 °C and 16.6 °C and averaged 12.3 °C. There was 1.0 mm of rain during 2.2 hours. There was 6.6 hours of sunshine (43%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
March 13 » The Missionaries of Charity choose Sister Nirmala to succeed Mother Teresa as their leader.
July 1 » China resumes sovereignty over the city-state of Hong Kong, ending 156 years of British colonial rule. The handover ceremony is attended by British Prime Minister Tony Blair, Charles, Prince of Wales, Chinese President Jiang Zemin, and U.S. Secretary of State Madeleine Albright.
July 4 » NASA's Pathfinder space probe lands on the surface of Mars.
August 29 » At least 98 villagers are killed by the Armed Islamic Group of Algeria GIA in the Rais massacre, Algeria.
October 10 » Austral Líneas Aéreas Flight 2553 crashes and explodes in Uruguay, killing 74.
December 22 » Hussein Farrah Aidid relinquishes the disputed title of President of Somalia by signing the Cairo Declaration, in Cairo, Egypt. It is the first major step towards reconciliation in Somalia since 1991.
When copying data from this family tree, please include a reference to the origin: Dirk Kalksma, "Family tree Kalksma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kalksma/I187.php : accessed March 9, 2026), "Helena Catharina Kalksma (1921-1997)".
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