Wiktionary
midcentury
a. Occurring around the center or middle of the century.
Usage examples of "midcentury".
He fought as an officer in two of the midcentury wars, worked in an artillery-ammunition factory, dealt for many years in armaments of war, is a natural and gifted linguist, and owns a true host of other, widely varied talents.
Ken told her he had been hired as a temp, transporting scanned-in midcentury documents up the long stairway from Archives to Active.