July 1 » Canada and Bermuda are linked by telegraph cable.
July 2 » The U.S. Congress passes the Sherman Antitrust Act.
September 12 » Salisbury, Rhodesia, is founded.
November 23 » King William III of the Netherlands dies without a male heir and a special law is passed to allow his daughter Princess Wilhelmina to succeed him.
November 29 » The Meiji Constitution goes into effect in Japan, and the first Diet convenes.
December 30 » Following the Wounded Knee Massacre, the United States Army and Lakota warriors face off in the Drexel Mission Fight.
Day of marriage September 21, 1916
The temperature on September 21, 1916 was between 8.0 °C and 14.4 °C and averaged 10.5 °C. There was 1.0 hours of sunshine (8%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
April 20 » The Chicago Cubs play their first game at Weeghman Park (currently Wrigley Field), defeating the Cincinnati Reds 7–6 in 11 innings.
April 25 » Anzac Day is commemorated for the first time on the first anniversary of the landing at ANZAC Cove.
June 5 » World War I: The Arab Revolt against the Ottoman Empire breaks out.
July 1 » World War I: First day on the Somme: On the first day of the Battle of the Somme 19,000 soldiers of the British Army are killed and 40,000 wounded.
November 13 » World War I: Prime Minister of Australia Billy Hughes is expelled from the Labor Party over his support for conscription.
November 18 » World War I: First Battle of the Somme: In France, British Expeditionary Force commander Douglas Haig calls off the battle which started on July 1, 1916.
Day of death December 30, 1969
The temperature on December 30, 1969 was between -7.3 °C and -0.4 °C and averaged -2.8 °C. There was 5.0 hours of sunshine (64%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the east-northeast. Source: KNMI
January 14 » USS Enterprise fire: An accidental explosion aboard the USSEnterprise near Hawaii kills 28 people.
January 19 » Student Jan Palach dies after setting himself on fire three days earlier in Prague's Wenceslas Square to protest about the invasion of Czechoslovakia by the Soviet Union in 1968. His funeral turns into another major protest.
March 10 » In Memphis, Tennessee, James Earl Ray pleads guilty to assassinating Martin Luther King, Jr. He later unsuccessfully attempts to recant.
August 4 » Vietnam War: At the apartment of French intermediary Jean Sainteny in Paris, American representative Henry Kissinger and North Vietnamese representative Xuân Thuỷ begin secret peace negotiations. The negotiations will eventually fail.
November 21 » The first permanent ARPANET link is established between UCLA and SRI.
December 17 » Project Blue Book: The United States Air Force closes its study of UFOs.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I12294.php : accessed January 6, 2026), "Maartje Rootjes (1890-1969)".
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