era · noun C /ˈɪr.ə/
era
B2 a period of time in history that is special for a particular reason
Dictionary examples:
the Clinton era
the post-war era
They had worked for peace during the long era of conflict.
The fall of the Berlin wall marked the end of an era.
Learner example:
The world is paddling through the era of technology. (First Certificate in English; B2; Chinese)