If you mean the calandar that contains January February etc, it is the Gregorian Calandar, named after Pope Gregory XIII.
International Fixed Calendar League was created in 1922.
The 180th meridian is also known as the International Date Line. This imaginary line determines the change in calendar date when crossing it from east to west.
international dateline
The International Date Line is also known as the "line of demarcation." It marks the boundary between two consecutive calendar days. When crossing the line from east to west, a day is subtracted, and when crossing from west to east, a day is added.
The Aztecs were known for their vast understanding of numbers and for contributing a calendar.
The International Six Days Enduro (ISDE), formerly known as the International Six Days Trial (ISDT), is the oldest 'off road' motorcycle event on the FIM Calendar. The ISDT was first held in 1913 at Carlisle, England.
The International dateline.
A dockett.
You can find an easy to use, printable timeshare calendar for 2011 here see link below.
The international date line in the Pacific Ocean.
The first known calendar system used in the Philippines was the ancient Tagalog calendar, known as the "Pasio" or "Pasigua." It was a lunar calendar based on the phases of the moon and was used by various ethnic groups in the archipelago before the arrival of the Spanish.
It was the Romans who introduced the 12 month calendar commissioned by Julius Caesar and it was known as the Julian Calendar.