February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
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.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
Day of death April 28, 1967
The temperature on April 28, 1967 was between 4.6 °C and 13.9 °C and averaged 8.9 °C. There was 0.4 mm of rain during 1.1 hours. There was 9.2 hours of sunshine (63%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
April 4 » Martin Luther King Jr. delivers his "Beyond Vietnam: A Time to Break Silence" speech in New York City's Riverside Church.
May 1 » Elvis Presley and Priscilla Beaulieu are married in Las Vegas.
October 4 » Omar Ali Saifuddien III of Brunei abdicates in favour of his son.
November 21 » Vietnam War: American General William Westmoreland tells news reporters: "I am absolutely certain that whereas in 1965 the enemy was winning, today he is certainly losing."
December 17 » Harold Holt, Prime Minister of Australia, disappears while swimming near Portsea, Victoria, and is presumed drowned.
December 20 » A Pennsylvania Railroad Budd Metroliner exceeds 155mph on their New York Division, also present day Amtrak's Northeast Corridor.
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/I3426.php : accessed March 16, 2026), "Cornelis Langeberg (1897-1967)".
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