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).
April 26 » Atlético Madrid Association football club is founded
October 31 » The Purdue Wreck, a railroad train collision in Indianapolis, kills 17 people, including 14 players of the Purdue University football team.
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 death May 28, 1966
The temperature on May 28, 1966 was between 6.2 °C and 15.7 °C and averaged 10.6 °C. There was 8.6 hours of sunshine (53%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
January 15 » The First Nigerian Republic, led by Abubakar Tafawa Balewa is overthrown in a military coup d'état.
February 3 » The Soviet Union's Luna 9 becomes the first spacecraft to make a soft landing on the Moon, and the first spacecraft to take pictures from the surface of the Moon.
June 8 » An F-104 Starfighter collides with XB-70 Valkyrie prototype no. 2, destroying both aircraft during a photo shoot near Edwards Air Force Base. Joseph A. Walker, a NASA test pilot, and Carl Cross, a United States Air Force test pilot, are both killed.
October 15 » The Black Panther Party is created by Huey P. Newton and Bobby Seale.
November 8 » U.S. President Lyndon B. Johnson signs into law an antitrust exemption allowing the National Football League to merge with the upstart American Football League.
December 27 » The Cave of Swallows, the largest known cave shaft in the world, is discovered in Aquismón, San Luis Potosí, Mexico.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I79447.php : accessed December 24, 2025), "Johannes de Boom (1903-1966)".
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