March 7 is the 66th day of the year There are 299 days remaining until the end of the year. This date is slightly more likely to fall on a Monday, Wednesday or Saturday (58 in 400 years each) than on Thursday or Friday (57), and slightly less likely to occur on a Tuesday or Sunday (56).
+1862 – American Civil War: Union forces defeat Confederate troops at the Pea Ridge in northwestern Arkansas.
+1876 – Alexander Graham Bell is granted a patent for an invention he calls the "telephone".
+1965 – Bloody Sunday: a group of 600 civil rights marchers is brutally attacked by state and local police in Selma, Alabama.
+1985 – The song "We Are the World" receives its international release.
+1986 – Challenger Disaster: Divers from the USS Preserver locate the crew cabin of Challenger on the ocean floor.
+1950 – Franco Harris, American football player and businessman
+1950 – J. R. Richard, American baseball player and minister
+1964 – Wanda Sykes, American comedian, actress, and screenwriter