What date did the tornado hit Pratt City Alabama?

Pratt City Alabama, more commonly called Birmingham, has been hit by many tornadoes, and is one of the most tornado-prone cities in the U.S. Only the most significant tornadoes will be listed.

• An F4 tornado struck on April 15, 1956
• An F5 tornado struck on April 4, 1977
• An F5 tornado struck on April 8, 1998
• An EF4 tornado struck on April 27, 2011