January 13 » First Italo-Ethiopian War: the war's opening battle, the Battle of Coatit, occurs; it is an Italian victory.
February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
February 24 » Revolution breaks out in Baire, a town near Santiago de Cuba, beginning the Cuban War of Independence, that ends with the Spanish–American War in 1898.
April 8 » In Pollock v. Farmers' Loan & Trust Co. the Supreme Court of the United States declares unapportioned income tax to be unconstitutional.
April 17 » The Treaty of Shimonoseki between China and Japan is signed. This marks the end of the First Sino-Japanese War, and the defeated Qing Empire is forced to renounce its claims on Korea and to concede the southern portion of the Fengtien province, Taiwan and the Pescadores Islands to Japan.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
Day of marriage June 27, 1928
The temperature on June 27, 1928 was between 10.7 °C and 14.9 °C and averaged 12.3 °C. There was 3.1 mm of rain. There was 1.3 hours of sunshine (8%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
May 15 » Walt Disney character Mickey Mouse premieres in his first cartoon, "Plane Crazy".
June 8 » Second Northern Expedition: The National Revolutionary Army captures Peking, whose name is changed to Beijing ("Northern Capital").
July 7 » Sliced bread is sold for the first time (on the inventor's 48th birthday) by the Chillicothe Baking Company of Chillicothe, Missouri.
September 18 » Juan de la Cierva makes the first autogyro crossing of the English Channel.
September 27 » The Republic of China is recognized by the United States.
November 15 » The RNLI lifeboat Mary Stanford capsized in Rye Harbour with the loss of the entire 17-man crew.
Day of death November 23, 1957
The temperature on November 23, 1957 was between 2.1 °C and 8.9 °C and averaged 5.4 °C. There was 0.3 mm of rain during 0.6 hours. There was 3.0 hours of sunshine (36%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 1 » George Town, Penang, is made a city by a royal charter of Queen Elizabeth II of the United Kingdom.
January 11 » The African Convention is founded in Dakar, Senegal.
January 22 » Israel withdraws from the Sinai Peninsula.
March 25 » United States Customs seizes copies of Allen Ginsberg's poem "Howl" on obscenity grounds.
September 29 » The Kyshtym disaster is the third-worst nuclear accident ever recorded.
November 1 » The Mackinac Bridge, the world's longest suspension bridge between anchorages at the time, opens to traffic connecting Michigan's upper and lower peninsulas.
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/I4061.php : accessed January 18, 2026), "Leonardus Christianus Josephus Wolff (1895-1957)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.