April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
Day of marriage January 16, 1943
The temperature on January 16, 1943 was between -0.1 °C and 6.3 °C and averaged 3.0 °C. There was 4.1 hours of sunshine (50%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-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.
January 15 » World War II: The Soviet counter-offensive at Voronezh begins.
July 24 » World War II: Operation Gomorrah begins: British and Canadian aeroplanes bomb Hamburg by night, and American planes bomb the city by day. By the end of the operation in November, 9,000 tons of explosives will have killed more than 30,000 people and destroyed 280,000 buildings.
August 15 » World War II: Battle of Trahili: Superior German forces surround Cretan partisans, who manage to escape against all odds.
September 5 » World War II: The 503rd Parachute Infantry Regiment lands and occupies Lae Nadzab Airport, near Lae in the Salamaua–Lae campaign.
September 30 » The United States Merchant Marine Academy is dedicated by President Roosevelt.
October 17 » Nazi Holocaust in Poland: Sobibór extermination camp is closed.
Day of death March 23, 1977
The temperature on March 23, 1977 was between 3.7 °C and 9.6 °C and averaged 6.4 °C. There was 0.3 mm of rain during 0.4 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
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.
March 4 » The 1977 Vrancea earthquake in eastern and southern Europe kills more than 1,500, mostly in Bucharest, Romania.
April 11 » London Transport's Silver Jubilee AEC Routemaster buses are launched.
May 1 » Thirty-six people are killed in Taksim Square, Istanbul, during the Labour Day celebrations.
May 25 » Star Wars (retroactively titled Star Wars: Episode IV – A New Hope) is released in theaters.
July 13 » New York City: Amidst a period of financial and social turmoil experiences an electrical blackout lasting nearly 24 hours that leads to widespread fires and looting.
December 4 » Malaysian Airline System Flight 653 is hijacked and crashes in Tanjong Kupang, Johor, killing 100.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I2882.php : accessed February 22, 2026), "Johanna Klis (1897-1977)".
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