The temperature on August 1, 1911 was between 15.6 °C and 25.9 °C and averaged 20.5 °C. There was 9.2 hours of sunshine (59%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
April 27 » Following the resignation and death of William P. Frye, a compromise is reached to rotate the office of President pro tempore of the United States Senate.
May 15 » In Standard Oil Co. of New Jersey v. United States, the United States Supreme Court declares Standard Oil to be an "unreasonable" monopoly under the Sherman Antitrust Act and orders the company to be broken up.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
Day of marriage January 30, 1944
The temperature on January 30, 1944 was between 5.3 °C and 10.5 °C and averaged 7.5 °C. There was 1.3 hours of sunshine (15%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 20 » World War II: The United States takes Eniwetok Island.
June 10 » World War II: Six hundred forty-two men, women and children massacred at Oradour-sur-Glane, France.
June 25 » World War II: United States Navy and British Royal Navy ships bombard Cherbourg to support United States Army units engaged in the Battle of Cherbourg.
October 27 » World War II: German forces capture Banská Bystrica during Slovak National Uprising thus bringing it to an end.
October 30 » Holocaust: Anne and Margot Frank are deported from Auschwitz to the Bergen-Belsen concentration camp, where they die from disease the following year, shortly before the end of WWII.
December 30 » King George II of Greece declares a regency, leaving the throne vacant.
When copying data from this family tree, please include a reference to the origin: John Bart, "Family tree Denneman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-denneman/I69.php : accessed January 20, 2026), "Johannes Hermanus "Jan" Denneman (1911-1980)".
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