February 15 » The association football club Alianza Lima is founded in Lima, Peru, under the name Sport Alianza.
March 2 » United States Steel Corporation is founded as a result of a merger between Carnegie Steel Company and Federal Steel Company which became the first corporation in the world with a market capital over $1 billion.
April 25 » New York becomes the first U.S. state to require automobile license plates.
May 3 » The Great Fire of 1901 begins in Jacksonville, Florida.
August 6 » Kiowa land in Oklahoma is opened for white settlement, effectively dissolving the contiguous reservation.
August 28 » Silliman University is founded in the Philippines. It is the first American private school in the country.
Day of marriage September 12, 1928
The temperature on September 12, 1928 was between 7.2 °C and 19.2 °C and averaged 12.6 °C. There was 5.9 hours of sunshine (46%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
March 21 » Charles Lindbergh is presented with the Medal of Honor for the first solo trans-Atlantic flight.
June 4 » The President of the Republic of China, Zhang Zuolin, is assassinated by Japanese agents.
June 8 » Second Northern Expedition: The National Revolutionary Army captures Peking, whose name is changed to Beijing ("Northern Capital").
June 9 » Charles Kingsford Smith completes the first trans-Pacific flight in a Fokker Trimotor monoplane, the Southern Cross.
September 18 » Juan de la Cierva makes the first autogyro crossing of the English Channel.
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 Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I4399.php : accessed March 7, 2026), "Leonardus Roland (1901-)".
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