A Week in History: JFK's on TV, the Challenger, and 'Axis of Evil'

Auschwitz liberated, Vietnam ends, "Axis of Evil."

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Jan. 23, 1973 President Richard Nixon announces a peace agreement has been reached in Paris to end the Vietnam War.

Jan. 25, 1961 John F. Kennedy is the first U.S. president to hold a live televised news conference.

Jan. 27, 1945 Soviet troops liberate the prisoners at the Auschwitz concentration camp in Poland.

Jan. 28, 1986 The space shuttle Challenger explodes seconds after lifting off from Cape Canaveral, Fla.

Jan 29, 2002 President George W. Bush warns of the "axis of evil" in his State of the Union speech.