U.S., Consular Reports of Marriages, 1910-1949, Ancestry.com, National Archives and Records Administration (NARA); Washington, D.C.; Marriage Reports in State Department Decimal Files, 1910-1949; Record Group: 59, General Records of the Department of State, 1763 - 2002; Series ARC ID: 2555709; Series MLR Number: A1, / Ancestry.com
1930 United States Federal Census, Ancestry.com, Year: 1930; Census Place: Cedar Rapids, Linn, Iowa; Roll: 664; Page: 6B; Enumeration District: 0037; Image: 951.0; FHL microfilm: 2340399 / Ancestry.com
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
When copying data from this family tree, please include a reference to the origin: Peter Lax, "Lax Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/lax-family-tree/P2455.php : accessed May 5, 2025), "John J Mokrejs (1897-1986)".
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