The Nest Era is used by historiographers of the Imperial tradition to refer to the period of warfare and expansion in which the Sixfold League, the predecessor to the Empire, first became a major power in sekhaa. Its first cycle was retroactively defined as the one in which the Wars of Righteousness began, prior to which had been the Dawn Era; it ended upon the beginning of the proclaimed Glory Era.

<csstimeline> <entry> date: 13 Nest 17 Radiance title: The founding of the Empire description: The Council of Six restructures the government, replacing the Sixfold League with the Empire. In celebration, they proclaim that the following cycle will begin the Glory Era, and that a new, unified capital shall be built at Kar Iitan. </entry> </csstimeline>