The temperature on December 18, 1965 was between 11.2 °C and 12.6 °C and averaged 12.0 °C. There was 26.9 mm of rain during 19.8 hours. The almost completely overcast was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
March 18 » Cosmonaut Alexei Leonov, leaving his spacecraft Voskhod 2 for 12 minutes, becomes the first person to walk in space.
June 7 » The Supreme Court of the United States hands down its decision in Griswold v. Connecticut, prohibiting the states from criminalizing the use of contraception by married couples.
August 4 » The Constitution of the Cook Islands comes into force, giving the Cook Islands self-governing status within New Zealand.
October 17 » The 1964–65 New York World's Fair closes after two years and more than 51 million attendees.
November 2 » Norman Morrison, a 31-year-old Quaker, sets himself on fire in front of the river entrance to the Pentagon to protest the use of napalm in the Vietnam war.
December 21 » International Convention on the Elimination of All Forms of Racial Discrimination is adopted.
When copying data from this family tree, please include a reference to the origin: Tjitze Koster, "Family tree Koster Twijslerheide e.o.", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koster/I6883.php : accessed February 2, 2026), "de Haan (1965)".
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