"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:"@en . . "Era (Civ5)"@en . "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: \n* The Ancient Era is the first time period of the game. \n* The Classical Era is the second time period of the game. \n* The Medieval Era is the third time period of the game. \n* The Renaissance Era is the fourth time period of the game. \n* The Industrial Era is the fifth time period of the game. In this era, the appearance of Workers, Caravans, Cargo Ships, and roads changes. \n* The Modern Era is the sixth time period of the game. \n* The Future Era is the seventh and final time period of the game. In Civilization V: Gods & Kings, the Future Era is removed and replaced by two new eras: \n* The Atomic Era is the seventh time period of the game. \n* The Information Era is the eighth and final time period of the game."@en . .