June 27 » The inaugural run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City, the first U.S. passenger train to use electric locomotives.
June 28 » The United States Court of Private Land Claims rules James Reavis’s claim to Barony of Arizona is "wholly fictitious and fraudulent."
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
October 4 » Horace Rawlins wins the first U.S. Open Men's Golf Championship.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
Day of marriage May 11, 1915
The temperature on May 11, 1915 was between 3.3 °C and 19.0 °C and averaged 12.0 °C. There was 13.4 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
March 20 » Albert Einstein publishes his general theory of relativity.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
July 28 » The United States begins a 19-year occupation of Haiti.
August 6 » World War I: Battle of Sari Bair: The Allies mount a diversionary attack timed to coincide with a major Allied landing of reinforcements at Suvla Bay.
September 15 » The Empire Picture Theatre (now The New Empire Cinema), the oldest running cinema in mainland Australia, opens in Bowral, New South Wales.
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/I16662.php : accessed February 5, 2026), "Louisa Hendrina Magdalena Maria Pelser (1895-????)".
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