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An era is a period of time in Civilization V and its expansions. Civilizations can progress to a new era either by researching all technologies from the current era, or by researching one technology from the next era.

In Civilization V: Brave New World, the World Congress progresses through the eras as well, advancing when at least half the civilizations in play reach a new era or one civilization reaches the era beyond it.

The eras in vanilla Civilization V are as follows:

In Civilization V: Gods & Kings, the Future Era is removed and replaced by two new eras:

  • The Atomic Era is the seventh time period of the game (1950-1990).
  • The Information Era is the eighth and final time period of the game (1991-present).
Civilization V [edit]
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† Only in vanilla Civ5
‡ Only in Gods & Kings and Brave New World