January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
April 29 » A landslide kills 70 people in Frank, in the District of Alberta, Canada.
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
July 23 » The Ford Motor Company sells its first car.
October 31 » The Purdue Wreck, a railroad train collision in Indianapolis, kills 17 people, including 14 players of the Purdue University football team.
Day of death April 20, 1967
The temperature on April 20, 1967 was between 7.1 °C and 12.0 °C and averaged 9.3 °C. There was 3.1 hours of sunshine (22%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
May 8 » The Philippine province of Davao is split into three: Davao del Norte, Davao del Sur, and Davao Oriental.
May 17 » Six-Day War: President Gamal Abdel Nasser of Egypt demands dismantling of the peace-keeping UN Emergency Force in Egypt.
June 9 » Six-Day War: Israel captures the Golan Heights from Syria.
July 1 » Merger Treaty: The European Community is formally created out of a merger with the Common Market, the European Coal and Steel Community, and the European Atomic Energy Commission.
July 29 » Vietnam War: Off the coast of North Vietnam the USSForrestal catches on fire in the worst U.S. naval disaster since World War II, killing 134.
September 1 » Six-Day War: The Khartoum Resolution is issued at the Arab Summit, and eight countries adopt the "three 'no's against Israel".
When copying data from this family tree, please include a reference to the origin: Kerri Wiggins, "Wiggins-Mergenthaler Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/wiggins-mergenthaler-family-tree/P2954.php : accessed May 13, 2025), "Richard Otto Eugen Olsson (1903-1967)".
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