January 1 » The first American college football bowl game, the Rose Bowl between Michigan and Stanford, is held in Pasadena, California.
March 6 » Real Madrid CF is founded.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
April 20 » Pierre and Marie Curie refine radium chloride.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
Day of marriage August 1, 1930
The temperature on August 1, 1930 was between 8.2 °C and 22.0 °C and averaged 16.2 °C. There was 6.5 hours of sunshine (42%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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.
February 18 » While studying photographs taken in January, Clyde Tombaugh discovers Pluto.
April 22 » The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding.
May 24 » Amy Johnson lands in Darwin, Northern Territory, becoming the first woman to fly solo from England to Australia (she left on May 5 for the 11,000 mile flight).
May 27 » The 1,046 feet (319m) Chrysler Building in New York City, the tallest man-made structure at the time, opens to the public.
October 3 » The German Socialist Labour Party in Poland – Left is founded.
December 2 » Great Depression: In a State of the Union message, U.S. President Herbert Hoover proposes a $150 million (equivalent to $2,296,000,000 in 2019) public works program to help generate jobs and stimulate the economy.
Day of death July 16, 1937
The temperature on July 16, 1937 was between 13.4 °C and 17.2 °C and averaged 15.4 °C. There was 1.7 mm of rain during 2.9 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 20 » Franklin D. Roosevelt and John Nance Garner are sworn in for their second terms as U.S. President and U.S. Vice President; it is the first time a Presidential Inauguration takes place on January 20 since the 20th Amendment changed the dates of presidential terms.
January 23 » The trial of the anti-Soviet Trotskyist center sees seventeen mid-level Communists accused of sympathizing with Leon Trotsky and plotting to overthrow Joseph Stalin's regime.
April 1 » Spanish Civil War: Jaén, Spain is bombed by German fascist forces, supporting Francoist Nationalists.
July 7 » The Marco Polo Bridge Incident provides the Imperial Japanese Army with a pretext for starting the Second Sino-Japanese War.
July 24 » Alabama drops rape charges against the "Scottsboro Boys".
October 2 » Rafael Trujillo orders the execution of Haitians living in the northwestern region of the Dominican Republic.
When copying data from this family tree, please include a reference to the origin: Alle Elbers, "Sluzigers (e.a.)", database, Genealogy Online (https://www.genealogieonline.nl/sluzigers/I136363.php : accessed December 26, 2025), "Helprigdina Blomberg (1902-1937)".
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