May 3 » The Great Fire of 1901 begins in Jacksonville, Florida.
August 5 » Peter O'Connor sets the first IAAF recognised long jump world record of 24ft 11.75in (7.6137m), a record that would stand for 20 years.
September 2 » Vice President of the United States Theodore Roosevelt utters the famous phrase, "Speak softly and carry a big stick" at the Minnesota State Fair.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
November 13 » The 1901 Caister lifeboat disaster.
December 3 » In a State of the Union message, U.S. President Theodore Roosevelt delivers a 20,000-word speech to the House of Representatives asking Congress to curb the power of trusts "within reasonable limits".
Day of marriage May 11, 1931
The temperature on May 11, 1931 was between 7.6 °C and 19.4 °C and averaged 13.6 °C. There was 2.3 hours of sunshine (15%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 23 » Bhagat Singh, Shivaram Rajguru and Sukhdev Thapar are hanged for the killing of a deputy superintendent of police during the Indian independence movement.
March 25 » The Scottsboro Boys are arrested in Alabama and charged with rape.
March 26 » Swissair is founded as the national airline of Switzerland.
June 23 » Wiley Post and Harold Gatty take off from Roosevelt Field, Long Island in an attempt to circumnavigate the world in a single-engine plane.
July 1 » Wiley Post and Harold Gatty become the first people to circumnavigate the globe in a single-engined monoplane aircraft.
October 21 » A secret society in the Imperial Japanese Army launches an abortive coup d'état attempt.
Day of death October 4, 1965
The temperature on October 4, 1965 was between 7.5 °C and 20.4 °C and averaged 13.7 °C. There was 0.1 mm of rain. There was 9.0 hours of sunshine (78%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
February 12 » Malcolm X visits Smethwick in Birmingham following the racially-charged 1964 United Kingdom general election.
March 21 » Dr. Martin Luther King, Jr. leads 3,200 people on the start of the third and finally successful civil rights march from Selma to Montgomery, Alabama.
April 11 » The Palm Sunday tornado outbreak of 1965: Fifty-one tornadoes hit in six Midwestern states, killing 256 people.
April 21 » The 1964–1965 New York World's Fair opens for its second and final season.
August 19 » Japanese prime minister Eisaku Satō becomes the first post-World War II sitting prime minister to visit Okinawa Prefecture.
November 26 » France launches Astérix, becoming the third nation to put an object in orbit using its own booster.
When copying data from this family tree, please include a reference to the origin: Ronald van 't Hoff, "Family tree Van 't Hoff - Zondag - Bosch - de Zwaan - vd Kolk - Westhuis - Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-t-hoff/I30751.php : accessed March 2, 2026), "Willem Olofsen (1901-1965)".
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