The temperature on July 13, 1967 was between 14.1 °C and 30.8 °C and averaged 23.3 °C. There was 12.6 hours of sunshine (77%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
April 21 » A few days before the general election in Greece, Colonel George Papadopoulos leads a coup d'état, establishing a military regime that lasts for seven years.
May 10 » The Northrop M2-F2 crashes on landing, becoming the inspiration for the novel Cyborg and TV series The Six Million Dollar Man.
May 20 » The Popular Movement of the Revolution political party is established in the Democratic Republic of the Congo.
September 11 » China's People's Liberation Army (PLA) launched an attack on Indian posts at Nathu La, Sikkim, India, which resulted a military clashes.
September 15 » U.S. President Lyndon B. Johnson, responding to a sniper attack at the University of Texas at Austin, writes a letter to Congress urging the enactment of gun control legislation.
October 26 » Mohammad Reza Pahlavi crowns himself Emperor of Iran.
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I13786.php : accessed February 2, 2026), "Michel Hamstra (1967-)".
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