January 1 » New York, New York annexes land from surrounding counties, creating the City of Greater New York. The four initial boroughs, Manhattan, Brooklyn, Queens, and The Bronx, are joined on January 25 by Staten Island to create the modern city of five boroughs.
January 13 » Émile Zola's J'accuse…! exposes the Dreyfus affair.
May 1 » Spanish–American War: Battle of Manila Bay: The Asiatic Squadron of the United States Navy destroys the Pacific Squadron of the Spanish Navy after a seven-hour battle. Spain loses all seven of its ships, and 381 Spanish sailors die. There are no American vessel losses or combat deaths.
August 24 » Count Muravyov, Foreign Minister of Russia presents a rescript that convoked the First Hague Peace Conference.
August 28 » Caleb Bradham's beverage "Brad's Drink" is renamed "Pepsi-Cola".
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
July 10, 1919
The temperature on July 10, 1919 was between 11.0 °C and 17.6 °C and averaged 13.8 °C. There was 1.6 mm of rain. There was 0.5 hours of sunshine (3%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 5 » The German Workers' Party, which would become the Nazi Party, is founded in Munich.
January 18 » World War I: The Paris Peace Conference opens in Versailles, France.
January 22 » Act Zluky is signed, unifying the Ukrainian People's Republic and the West Ukrainian National Republic.
February 21 » German socialist Kurt Eisner is assassinated. His death results in the establishment of the Bavarian Soviet Republic and parliament and government fleeing Munich, Germany.
July 27 » The Chicago Race Riot erupts after a racial incident occurred on a South Side beach, leading to 38 fatalities and 537 injuries over a five-day period.
October 16 » Adolf Hitler delivers his first public address at a meeting of the German Workers' Party.
Hans Weening, "Family tree Weening", , Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I35379.php : October 10, 2026), "Jeltje de Jong (1898-????)".