January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
February 14 » The United States Department of Commerce and Labor is established (later split into the Department of Commerce and the Department of Labor).
July 20 » The Ford Motor Company ships its first automobile.
October 6 » The High Court of Australia sits for the first time.
November 3 » With the encouragement of the United States, Panama separates from Colombia.
November 18 » The Hay–Bunau-Varilla Treaty is signed by the United States and Panama, giving the United States exclusive rights over the Panama Canal Zone.
Day of marriage September 8, 1926
The temperature on September 8, 1926 was between 10.3 °C and 20.3 °C and averaged 15.4 °C. There was 9.5 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 26 » The first demonstration of the television by John Logie Baird.
March 14 » The El Virilla train accident, Costa Rica, kills 248 people and wounds another 93 when a train falls off a bridge over the Río Virilla between Heredia and Tibás.
May 4 » The United Kingdom general strike begins.
May 9 » Admiral Richard E. Byrd and Floyd Bennett claim to have flown over the North Pole (later discovery of Byrd's diary appears to cast some doubt on the claim.)
May 28 » The 28 May 1926 coup d'état: Ditadura Nacional is established in Portugal to suppress the unrest of the First Republic.
October 14 » The children's book Winnie-the-Pooh, by A. A. Milne, is first published.
Day of death April 13, 1971
The temperature on April 13, 1971 was between 4.9 °C and 9.8 °C and averaged 6.8 °C. There was -0.1 mm of rain. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 12 » The Harrisburg Seven: Rev. Philip Berrigan and five other activists are indicted on charges of conspiring to kidnap Henry Kissinger and of plotting to blow up the heating tunnels of federal buildings in Washington, D.C.
April 1 » Bangladesh Liberation War: The Pakistan Army massacre over 1,000 people in Keraniganj Upazila, Bangladesh.
September 4 » Alaska Airlines Flight 1866 crashes near Juneau, Alaska, killing all 111 people on board.
November 24 » During a severe thunderstorm over Washington state, a hijacker calling himself Dan Cooper (aka D. B. Cooper) parachutes from a Northwest Orient Airlines plane with $200,000 in ransom money. He has never been found.
December 8 » Indo-Pakistani War: The Indian Navy launches an attack on West Pakistan's port city of Karachi.
December 9 » Indo-Pakistani War: The Indian Air Force executes an airdrop of Indian Army units, bypassing Pakistani defences.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I3480.php : accessed February 27, 2026), "Hendrik Marinus Jacobs (1903-1971)".
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