April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
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.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
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 September 9, 1920
The temperature on September 9, 1920 was between 5.7 °C and 19.7 °C and averaged 12.6 °C. There was 0.2 mm of rain. There was 8.3 hours of sunshine (63%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. 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.
January 8 » The steel strike of 1919 ends in failure for the Amalgamated Association of Iron, Steel and Tin Workers labor union.
January 10 » The Treaty of Versailles takes effect, officially ending World War I.
February 10 » About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
June 11 » During the U.S. Republican National Convention in Chicago, U.S. Republican Party leaders gathered in a room at the Blackstone Hotel to come to a consensus on their candidate for the U.S. presidential election, leading the Associated Press to coin the political phrase "smoke-filled room".
September 16 » The Wall Street bombing: A bomb in a horse wagon explodes in front of the J. P. Morgan building in New York City killing 38 and injuring 400.
December 16 » The Haiyuan earthquake of 8.5Mw , rocks the Gansu province in China, killing an estimated 200,000.
Day of death April 13, 1977
The temperature on April 13, 1977 was between 2.5 °C and 11.5 °C and averaged 8.6 °C. There was 8.8 mm of rain during 7.5 hours. There was 6.3 hours of sunshine (46%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
January 20 » Jimmy Carter is inaugurated the 39th President of the United States of America.
January 24 » The Atocha massacre occurs in Madrid during the Spanish transition to democracy.
March 23 » The first of The Nixon Interviews (12 will be recorded over four weeks) is videotaped with British journalist David Frost interviewing former United States President Richard Nixon about the Watergate scandal and the Nixon tapes.
March 24 » Morarji Desai became the Prime Minister of India, the first Prime Minister not to belong to Indian National Congress.
May 28 » In Southgate, Kentucky, the Beverly Hills Supper Club is engulfed in fire, killing 165 people inside.
November 14 » During a British House of Commons debate, Labour MP Tam Dalyell poses what would become known as the West Lothian question, referring to issues related to devolution in the United Kingdom.
Day of burial April 17, 1977
The temperature on April 17, 1977 was between 0.9 °C and 13.4 °C and averaged 6.5 °C. There was -0.1 mm of rain. There was 5.7 hours of sunshine (41%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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.
May 25 » Star Wars (retroactively titled Star Wars: Episode IV – A New Hope) is released in theaters.
September 7 » The 300-metre-tall CKVR-DT transmission tower in Barrie, Ontario, Canada, is hit by a light aircraft in a fog, causing it to collapse. All aboard the aircraft are killed.
September 25 » About 4,200 people take part in the first running of the Chicago Marathon.
October 17 » The hijacked Lufthansa Flight 181 lands in Mogadishu. The remaining hostages are later rescued.
October 20 » Rock band Lynyrd Skynyrd's airplane crashes. Lead singer Ronnie Van Zant and guitarist Steve Gaines perish in the crash.
November 12 » France conducts the Oreste nuclear test as 14th in the group of 29, 1975–78 French nuclear tests series.
When copying data from this family tree, please include a reference to the origin: T. Beijer, "Family tree Schipper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-schipper/I8.php : accessed January 9, 2026), "Maria Schipper (1897-1977)".
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