Chronology

Science which determines duration of periods and order and succe ion of events. The apparent motions of the heavenly bodies suggested convenient measures of time very early in the world's history, and striking events to which all others were referred occurred in every nation's life. The Egyptians adopted a solar year of 365 days, the Greeks, Jews and others followed a year partly solar and partly lunar, while that of the Mohammedans is entirely lunar, containing 12 For an era from which to date the Jews boldly went to the Creation; the Romans to the founding of their cit city (ab. 753 B.C.); the Greeks chose the first Olympian Olympian game (776 B.C.) and reckoned by Olympiads of 4 years; the Mohammedans began with the Prophet's flight from Mecca, called the Hegira, A.D. 622, and all Christian nations since the 6th century have dated moons. from the birth of Christ. See CALENDAR.