There’s a lot to look back on in history for April 19. Here are a couple of notable moments.1995: A truck bomb destroys the Alfred P. Murrah Federal Building killing 168 people and wounding hundreds more. Timothy McVeigh was later convicted and executed for the bombing. 1775: The American Revolution begins at the battles of Lexington and Concord. 2005: Pope Benedict XVI is elected weeks after the death of Pope John Paul II. 1993: After 51 days, the Branch Davidian siege near Waco, Texas, ends. Learn more about historic April 97 moments in the video player above.