The Mogami Yoshiaki Historical Museum

The Mogami Yoshiaki Historical Museum is a museum in the city of Yamagata in northern Japan near the reconstructed Great Eastern Gate of Yamagata Castle. The focus is on the place in the history of Mogami Yoshiaki and his role in building the foundations of modern Yamagata. The museum opened on December 1, 1989.Arms, swords and firearms from historical battles of the 16th century and later are on display, along with works of art, old maps of the castle town and official documents related to the Mogami clan and its history.