April 8 » In Pollock v. Farmers' Loan & Trust Co. the Supreme Court of the United States declares unapportioned income tax to be unconstitutional.
May 25 » The Republic of Formosa is formed, with Tang Jingsong as its president.
June 27 » The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.
June 28 » The United States Court of Private Land Claims rules James Reavis’s claim to Barony of Arizona is "wholly fictitious and fraudulent."
November 5 » George B. Selden is granted the first U.S. patent for an automobile.
Day of marriage September 1, 1917
The temperature on September 1, 1917 was between 10.6 °C and 16.6 °C and averaged 13.6 °C. There was 8.2 mm of rain. There was 0.2 hours of sunshine (1%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
March 1 » The Zimmermann Telegram is reprinted in newspapers across the United States after the U.S. government releases its unencrypted text.
April 9 » World War I: The Battle of Arras: The battle begins with Canadian Corps executing a massive assault on Vimy Ridge.
July 27 » World War I: The Allies reach the Yser Canal at the Battle of Passchendaele.
August 18 » A Great Fire in Thessaloniki, Greece destroys 32% of the city leaving 70,000 individuals homeless.
October 26 » First World War: Brazil declares war on the Central Powers.
December 20 » Cheka, the first Soviet secret police force, is founded.
Day of death July 9, 1968
The temperature on July 9, 1968 was between 12.8 °C and 22.3 °C and averaged 17.0 °C. There was 6.2 hours of sunshine (38%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 22 » Apollo 5 lifts off carrying the first Lunar module into space.
February 1 » Canada's three military services, the Royal Canadian Navy, the Canadian Army and the Royal Canadian Air Force, are unified into the Canadian Forces.
March 28 » Brazilian high school student Edson Luís de Lima Souto is killed by military police at a protest for cheaper meals at a restaurant for low-income students.
April 4 » A.E.K. Athens B.C. becomes the first Greek team to win the European Basketball Cup.
August 22 » Pope Paul VI arrives in Bogotá, Colombia. It is the first visit of a pope to Latin America.
November 26 » Vietnam War: United States Air Force helicopter pilot James P. Fleming rescues an Army Special Forces unit pinned down by Viet Cong fire. He is later awarded the Medal of Honor.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I16489.php : accessed January 28, 2026), "Lammert Hartman (1895-1968)".
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