Meaning of ERA in English

ERA

[noun] [C] - a period of time that is marked by particular events or developmentsthe Reagan eraa bygone (= past) erathe post-war eraThe president is taking his country into a new political era with a package of radical reforms.They had worked for peace during the long era of conflict.These songs ushered in a new musical era.The fall of the Berlin wall marked the end of an era.

Cambridge English vocab.      Кембриджский английский словарь.