The NFL officially began in 1920, according to "Football for Dummies" 3rd edition.
Officially founded in 1853
1920 is the year The NFl started Playing on Thanksgiving
The AFL and NFL merged before the start of the 1970 season.
Summer officially ends at different times for different people. Summer officially ends for school kids when they start the next school year.
Officially the group became ABBA in 1972.
KISS the awesome iconic band happened to start in 1972 but actually and officially start in 1973
The NFL playoffs start Sunday, January 1st in 2012. Every year the playoffs for the NFL start at the same time. Then the playoffs continue even up to and past January 8th 2012.
The 49ers joined the NFL in the AAFC-NFL merger in 1950. Their existence dates back to 1946.
Officially? February 8.
Randy Moss's first year in the NFL was 1998
in 1998, as a ST. Louis Ram.
IN the Year 1998
September 05 2012
The Detroit Lions officially played their first match in 1929 as a team with no sponsors. It wasn't until the year later in 1930 that the Detroit Lions entered the NFL.