The temperature on April 7, 1921 was between 2.8 °C and 13.3 °C and averaged 8.1 °C. There was 11.8 hours of sunshine (89%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the northeast. 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.
March 1 » Following mass protests in Petrograd demanding greater freedom in the RSFSR, the Kronstadt rebellion began, with sailors and citizens taking up arms against the Bolsheviks.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
October 5 » The World Series is the first to be broadcast on radio.
October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.
December 22 » Opening of Visva-Bharati College, also known as Santiniketan College, now Visva Bharati University, India.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Eilander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eilander/I1099501635.php : accessed February 21, 2026), "Johanna Heddema (1893-????)".
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