Frae Wikipedia, the free beuk o knawledge
The
Gregorian calendar
is the internationally takken ceevil
calendar
. It wis brocht in bi
Pape Gregory XIII
, wha its named efter, bi a decree pennit on the 24t o
Februar
1582
, a papal bull kent 'fore the 1t letters Inter gravissimas. The Julian calendar is awmaist identical tha same year but the Julian calendar is o 11 minets minised.