Expo '75
1975 CE.
Shown on the map at 26.692°, 127.875°.
Expo '75, also known as The Okinawa International Ocean Exposition (Japanese: 沖縄国際海洋博覧会, romanized: Okinawa kokusai kaiyou hakurankai), was a world's fair held on the Japanese island of Okinawa from July 20, 1975, to January 18, 1976.
Text from the Wikipedia article Expo '75, licensed CC BY-SA 4.0.