The temperature on March 7, 1889 was about 4.3 °C. The air pressure was 66 kgf/m2 and came mainly from the south-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 94%. Source: KNMI
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
January 22 » Columbia Phonograph is formed in Washington, D.C.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
November 14 » Pioneering female journalist Nellie Bly (aka Elizabeth Cochrane) begins a successful attempt to travel around the world in less than 80 days. She completes the trip in 72 days.
Day of marriage September 20, 1911
The temperature on September 20, 1911 was between 11.5 °C and 20.8 °C and averaged 15.3 °C. There was 7.5 mm of rain. There was 4.4 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 21 » The first Monte Carlo Rally takes place.
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
Day of death September 23, 1970
The temperature on September 23, 1970 was between 5.1 °C and 16.6 °C and averaged 10.4 °C. There was 6.1 hours of sunshine (50%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 1 » The defined beginning of Unix time, at 00:00:00.
March 10 » Vietnam War: Captain Ernest Medina is charged by the U.S. military with My Lai war crimes.
August 26 » A new feminist movement leads a nationwide Women's Strike for Equality.
September 5 » Vietnam War: Operation Jefferson Glenn begins: The United States 101st Airborne Division and the South Vietnamese 1st Infantry Division initiate a new operation in Thừa Thiên–Huế Province.
October 8 » Aleksandr Solzhenitsyn wins the Nobel Prize in literature.
October 17 » FLQ terrorists murder Quebec Vice-Premier and Minister of Labour Pierre Laporte.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I1194.php : accessed January 19, 2026), "Cornelia Johanna Greef (1889-1970)".
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.