The Grecian Mundane Era

Sept. 1, 5598 B.C.

The Civil Era of Constantinople

Sept. 1, 5508 B.C.

The Alexandrian Era

Aug. 29, 5502 B.C.

Ecclesiastical Era of Antioch

Sept. 1, 5492 B.C.

The Julian Period

Jan.  1, 4713 B.C.

The Mundane Era

October  4008 B.C.

Jewish Mundane Era

October  3761 B.C.

Era of Abraham

Oct.  1, 2015 B.C.

Era of the Olympiads

July  1,  776 B.C.

Roman Era

Apr. 24,  753 B.C.

Era of Nabonassar

Feb. 26,  747 B.C.

Metonic Cycle

July 15,  432 B.C.

Syro-Macedonian, or Grecian, Era

Sept. 1,  312 B.C.

Tyrian Era

Oct. 19,  125 B.C.

Sidonian Era

October   110 B.C.

Caesarean Era of Antioch

Sept. 1,   48 B.C.

The Julian Year

Jan.  1,   45 B.C.

The Spanish Era

Jan.  1,   38 B.C.

Actian Era

Jan.  1,   30 B.C.

Augustan Era

Feb. 14,   27 B.C.

The so-called Vulgar Christian Era

Jan.  1,    1 A.D.

The Destruction of Jerusalem

Sept. 1,   69 A.D.

Era of the Maccabees

Nov. 24,  166 A.D.

Era of Diocletian

Sept.17,  284 A.D.

Era of Ascension

Nov. 12,  295 A.D.

Era of the Armenians

July  7,  552 A.D.

Mohammedan Era of the Hegira

July 16,  622 A.D.

Persian Era of Yezdegird

June 16,  632 A.D.

The Gregorian Year

Oct. 15, 1582 A.D.

Standard Time zones

Nov. 18, 1883 A.D.

The Julian Day

Jan.  1, 1925 A.D.