April 29 » A landslide kills 70 people in Frank, in the District of Alberta, Canada.
May 29 » In the May Coup, Alexander I, King of Serbia, and Queen Draga, are assassinated in Belgrade by the Black Hand (Crna Ruka) organization.
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
December 17 » The Wright brothers make the first controlled powered, heavier-than-air flight in the Wright Flyer at Kitty Hawk, North Carolina.
Day of marriage May 18, 1928
The temperature on May 18, 1928 was between 3.2 °C and 12.3 °C and averaged 7.6 °C. There was 1.0 mm of rain. There was 3.7 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
June 4 » The President of the Republic of China, Zhang Zuolin, is assassinated by Japanese agents.
June 18 » Aviator Amelia Earhart becomes the first woman to fly in an aircraft across the Atlantic Ocean (she is a passenger; Wilmer Stultz is the pilot and Lou Gordon the mechanic).
August 27 » The Kellogg–Briand Pact outlawing war is signed by fifteen nations. Ultimately sixty-one nations will sign it.
September 27 » The Republic of China is recognized by the United States.
November 18 » Release of the animated short Steamboat Willie, the first fully synchronized sound cartoon, directed by Walt Disney and Ub Iwerks, featuring the third appearances of cartoon characters Mickey Mouse and Minnie Mouse. This is considered by the Disney corporation to be Mickey's birthday.
December 17 » Indian revolutionaries Bhagat Singh, Sukhdev Thapar and Shivaram Rajguru assassinate British police officer James Saunders in Lahore, Punjab, to avenge the death of Lala Lajpat Rai at the hands of the police. The three were executed in 1931.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I122045.php : accessed October 9, 2026), "Jan Triemstra (1903-)".
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