The temperature on December 2, 1911 was between -0.4 °C and 5.0 °C and averaged 3.2 °C. There was 1.1 hours of sunshine (14%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
January 21 » The first Monte Carlo Rally takes place.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
Day of death February 24, 1935
The temperature on February 24, 1935 was between -1.0 °C and 7.6 °C and averaged 3.7 °C. There was 3.2 mm of rain during 1.8 hours. There was 3.9 hours of sunshine (37%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 12 » USSMacon, one of the two largest helium-filled airships ever created, crashes into the Pacific Ocean off the coast of California and sinks.
February 20 » Caroline Mikkelsen becomes the first woman to set foot in Antarctica.
May 6 » New Deal: Under the authority of the newly-enacted Federal Emergency Relief Administration, President Franklin D. Roosevelt issues Executive Order 7034 to create the Works Progress Administration.
May 14 » The Constitution of the Philippines is ratified by a popular vote.
September 15 » Nazi Germany adopts a new national flag bearing the swastika.
December 12 » Lebensborn Project, a Nazi reproduction program, is founded by Heinrich Himmler.
When copying data from this family tree, please include a reference to the origin: Hans Pruckmuller, "Family tree Van Willigen", database, Genealogy Online (https://www.genealogieonline.nl/van-willigen-stamboom/I8513.php : accessed March 15, 2026), "Adriana Jannigje Riedijk (1911-1935)".
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