The temperature on August 15, 1957 was between 13.2 °C and 16.7 °C and averaged 14.9 °C. There was 17.5 mm of rain during 6.7 hours. There was 1.3 hours of sunshine (9%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
March 9 » The 8.6 Mw Andreanof Islands earthquake shakes the Aleutian Islands, causing over $5 million in damage from ground movement and a destructive tsunami.
April 9 » The Suez Canal in Egypt is cleared and opens to shipping following the Suez Crisis.
April 30 » Supplementary Convention on the Abolition of Slavery entered into force.
September 2 » President Ngô Đình Diệm of South Vietnam becomes the first foreign head of state to make a state visit to Australia.
October 14 » The 23rd Canadian Parliament becomes the only one to be personally opened by the Queen of Canada.
October 29 » Israel's prime minister David Ben-Gurion and five of his ministers are injured when Moshe Dwek throws a grenade into Israel's Knesset.
When copying data from this family tree, please include a reference to the origin: Coos van Spijk, "Family tree of Spijk and her many ancestors", database, Genealogy Online (https://www.genealogieonline.nl/van-spijk-stamboom/I97549.php : accessed February 15, 2026), "Gerrit Johannes van Klaveren (1957-< 2008)".
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