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| | CATHOLIC ENCYCLOPEDIA: General Chronology |
 | | Era of Alexander, 12 November, 324 B.C. Greek Era of Seleucus, 1 September, 312 B.C. Era of Tyre, 19 October, 125 B.C. Cæsarian Era of Antioch, 9 August, 48 B.C., instituted to commemorate the battle of Pharsalia. |
 | | Era of Spain or of the Cæsars, 1 January, 38 B.C. Era of Augustus, 2 September, 31 B.C., instituted to commemorate the Battle of Actium. |
 | | Era of the Hegira, 16 July, A.D. 622, dates from the entrance of Mohammed into Medina after his flight from Mecca; its years are lunar, of 354 days each, except in intercalary years, of which there are eleven in each cycle of thirty. |
| www.newadvent.org /cathen/03738a.htm (4118 words) |
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