Galactic Era, abbreviated G.E., is a designation for the calendar system most commonly used in the Galactic Empire.

It dated from the accession of the first Emperor Frankenn I in 11584 AD of the Kamble dynasty and was superseded sometime after the First Foundation was established. A slightly variated Galactic Era began two years after, and the Anno Domini calender continued to be used, particularly on "New Renaissance" worlds, until at least 13,675 AD, or 2,091 GE.

According to some early writings, the years of the Galactic Era calender were twice as long as the Anno Domini years. However, they were incorrect, as evidenced in Second Foundation.

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