All of the events below occurred on the same date in history, May 4.
1814: Emperor Napoleon I of France arrives on the island of Elba to begin his exile.
1904: U.S. begins construction of the Panama Canal.
1916: Documentarian and naturalist Dick Proenneke is born in Lee County, Iowa.
1970: Ohio National Guardsmen open fire on protestors at Kent State University, killing four unarmed students and wounding nine others.
1978: Sportscaster and journalist Erin Andrews is born in Lewiston, Maine.
1979: Margaret Thatcher becomes first female Prime Minister of United Kingdom.
1998: Ted Kaczynski accepts a plea deal and is given four life sentences plus 30 years for his actions as the so-called "Unabomber."
2009: Actor Dom DeLuise dies in Santa Monica, California at age 75.