February 23 » Émile Zola is imprisoned in France after writing J'Accuse…!, a letter accusing the French government of antisemitism and wrongfully imprisoning Captain Alfred Dreyfus.
April 25 » Spanish–American War: The United States declares war on Spain.
June 10 » Spanish–American War: In the Battle of Guantánamo Bay, U.S. Marines begin the American invasion of Spanish-held Cuba.
June 22 » Spanish–American War: In a chaotic operation, 6,000 men of the U.S. Fifth Army Corps begins landing at Daiquirí, Cuba, about 16 miles (26km) east of Santiago de Cuba. Lt. Gen. Arsenio Linares y Pombo of the Spanish Army outnumbers them two-to-one, but does not oppose the landings.
September 10 » Empress Elisabeth of Austria is assassinated by Luigi Lucheni.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of marriage April 22, 1922
The temperature on April 22, 1922 was between -2.3 °C and 10.6 °C and averaged 4.3 °C. There was 7.3 hours of sunshine (51%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. 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.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 7 » Dáil Éireann ratifies the Anglo-Irish Treaty by a 64–57 vote.
January 11 » First use of insulin to treat diabetes in a human patient.
June 28 » The Irish Civil War begins with the shelling of the Four Courts in Dublin by Free State forces.
July 9 » Johnny Weissmuller swims the 100 meters freestyle in 58.6 seconds breaking the world swimming record and the 'minute barrier'.
November 26 » The Toll of the Sea debuts as the first general release film to use two-tone Technicolor. (The Gulf Between was the first film to do so, but it was not widely distributed.)
December 16 » President of Poland Gabriel Narutowicz is assassinated by Eligiusz Niewiadomski at the Zachęta Gallery in Warsaw.
Day of death June 30, 1944
The temperature on June 30, 1944 was between 11.0 °C and 17.7 °C and averaged 14.7 °C. There was 2.3 mm of rain during 2.6 hours. There was 3.0 hours of sunshine (18%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
June 14 » World War II: After several failed attempts, the British Army abandons Operation Perch, its plan to capture the German-occupied town of Caen.
June 25 » World War II: The Battle of Tali-Ihantala, the largest battle ever fought in the Nordic countries, begins.
July 17 » World War II: At Sainte-Foy-de-Montgommery in Normandy Field Marshal Erwin Rommel is seriously injured by allied aircraft while returning to his headquarters.
August 2 » ASNOM: Birth of the Socialist Republic of Macedonia, celebrated as Day of the Republic in North Macedonia.
August 4 » The Holocaust: A tip from a Dutch informer leads the Gestapo to a sealed-off area in an Amsterdam warehouse, where they find and arrest Jewish diarist Anne Frank, her family, and four others.
August 10 » World War II: The Battle of Narva ends with a combined German–Estonian force successfully defending Narva, Estonia, from invading Soviet troops.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I78601.php : accessed October 10, 2026), "Martin Piersma (1898-1944)".
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