The temperature on August 5, 1938 was between 18.4 °C and 28.2 °C and averaged 22.5 °C. There was 20.0 mm of rain during 4.3 hours. There was 7.3 hours of sunshine (48%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
June 24 » Pieces of a meteorite land near Chicora, Pennsylvania. The meteorite is estimated to have weighed 450metric tons when it hit the Earth's atmosphere and exploded.
July 3 » World speed record for a steam locomotive is set in England, by the Mallard, which reaches a speed of 125.88 miles per hour (202.58km/h).
July 31 » Archaeologists discover engraved gold and silver plates from King Darius the Great in Persepolis.
September 12 » Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
October 1 » Germany annexes the Sudetenland.
November 1 » Seabiscuit defeats War Admiral in an upset victory during a match race deemed "the match of the century" in horse racing.
Day of marriage March 22, 1958
The temperature on March 22, 1958 was between -5.6 °C and 1.7 °C and averaged -2.2 °C. There was 8.4 hours of sunshine (69%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
April 5 » Ripple Rock, an underwater threat to navigation in the Seymour Narrows in Canada is destroyed in one of the largest non-nuclear controlled explosions of the time.
August 3 » The world's first nuclear submarine, the USS Nautilus, becomes the first vessel to complete a submerged transit of the geographical North Pole.
August 29 » United States Air Force Academy opens in Colorado Springs, Colorado.
September 2 » United States Air Force C-130A-II is shot down by fighters over Yerevan in Armenia when it strays into Soviet airspace while conducting a sigint mission. All crew members are killed.
October 11 » NASA launches Pioneer 1, its first space probe, although it fails to achieve a stable orbit.
October 27 » Iskander Mirza, the first President of Pakistan, is deposed by General Ayub Khan, who had been appointed the enforcer of martial law by Mirza 20 days earlier.
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/I12783.php : accessed February 18, 2026), "John Melvin Jonkman (1938-)".
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