The following sources were consulted in the preparation of the article “13 strange historical coincidences that are almost impossible to believe.”
Segal, N. L. (2012). Born together—Reared apart: The landmark Minnesota twin study. Harvard University Press.
Allen, E. (2012, April 12). An unsinkable legacy: Remembering the Titanic. Library of Congress Blog.
Encyclopedia Titanica. (2024). Violet Constance Jessop.
Klimek, C. (2024, September 13). On this day in 1899, a car fatally struck a pedestrian for the first time in American history. Smithsonian Magazine.
U.S. Bureau of Reclamation. (n.d.). Hoover Dam: Fatalities. U.S. Department of the Interior.
National Park Service. (n.d.). John Adams (1735–1826). U.S. Department of the Interior.
National Archives. (2010, October 27). The curious case of Robert Lincoln.
Encyclopaedia Britannica. (n.d.). Mark Twain.
National Park Service. (n.d.). On presidential births and deaths. U.S. Department of the Interior.
Kleefeld, S. (2026, March 12). HBD Dennises the Menace. Kleefeld on Comics.
