May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
July 9 » William Jennings Bryan delivers his Cross of Gold speech advocating bimetallism at the 1896 Democratic National Convention in Chicago.
Day of marriage August 14, 1935
The temperature on August 14, 1935 was between 11.4 °C and 17.8 °C and averaged 14.4 °C. There was 0.4 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
February 13 » A jury in Flemington, New Jersey finds Bruno Hauptmann guilty of the 1932 kidnapping and murder of the Lindbergh baby, the son of Charles Lindbergh.
February 26 » Adolf Hitler orders the Luftwaffe to be re-formed, violating the provisions of the Treaty of Versailles.
July 28 » First flight of the Boeing B-17 Flying Fortress.
September 15 » Nazi Germany adopts a new national flag bearing the swastika.
October 3 » Second Italo-Abyssinian War: Italy invades Ethiopia.
December 9 » Walter Liggett, American newspaper editor and muckraker, is killed in a gangland murder.
Day of death September 3, 1971
The temperature on September 3, 1971 was between 10.9 °C and 21.8 °C and averaged 16.9 °C. There was 4.7 hours of sunshine (35%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
February 11 » Cold War: the Seabed Arms Control Treaty opened for signature outlawing nuclear weapons on the ocean floor in international waters.
May 27 » The Dahlerau train disaster, the worst railway accident in West Germany, kills 46 people and injures 25 near Wuppertal.
July 5 » The Twenty-sixth Amendment to the United States Constitution, lowering the voting age from 21 to 18 years, is formally certified by President Richard Nixon.
August 5 » The first Pacific Islands Forum (then known as the "South Pacific Forum") is held in Wellington, New Zealand, with the aim of enhancing cooperation between the independent countries of the Pacific Ocean.
September 21 » Bahrain, Bhutan and Qatar join the United Nations.
December 16 » The United Kingdom recognizes Bahrain's independence, which is commemorated annually as Bahrain's National Day.
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/I4082.php : accessed February 25, 2026), "Wilhelmus Michiel Cornelis Wolff (1896-1971)".
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