January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
April 20 » Pierre and Marie Curie refine radium chloride.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
August 9 » Edward VII and Alexandra of Denmark are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
Day of marriage August 26, 1926
The temperature on August 26, 1926 was between 8.1 °C and 19.9 °C and averaged 14.6 °C. There was 8.5 hours of sunshine (61%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
March 14 » The El Virilla train accident, Costa Rica, kills 248 people and wounds another 93 when a train falls off a bridge over the Río Virilla between Heredia and Tibás.
April 6 » Varney Airlines makes its first commercial flight (Varney is the root company of United Airlines).
May 18 » Evangelist Aimee Semple McPherson disappears in Venice, California.
July 23 » Fox Film buys the patents of the Movietone sound system for recording sound onto film.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
November 11 » The United States Numbered Highway System is established.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I320749.php : accessed March 6, 2026), "Jacob Nondo Mulder (1902-)".
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.