Today in History: February 28

February 28, 2014 Updated Feb 28, 2014 at 12:04 PM CDT

Take a look at the video below to find out important happenings from this day in history.

Included: Scientists discover DNA's double-helix structure; The Branch Davidian standoff begins in Waco, Texas; Swedish Prime Minister Olof Palme assassinated; U2 releases its 'War' album.