What does "era" mean?

Era: A period of time reckoned from some particular date or epoch; a succession of years dating from some important event; as, the era of Alexander; the era of Christ, or the Christian era (see under Christian). The first century of our era. M. Arnold.

Additional senses

  1. 2.A period of time in which a new order of things prevails; a signal stage of history; an epoch. Painting may truly be said to have opened the new era of culture. J. A. Symonds. See Epoch.

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