Expo '70
The Japan World Exposition, Osaka, 1970 (日本万国博覧会, Nihon Bankoku Hakuran-kai) or Expo '70 was a world's fair held in Suita, Osaka Prefecture, Japan, between 15 March and 13 September 1970. Its theme was "Progress and Harmony for Mankind." In Japanese, Expo '70 is often referred to as Ōsaka Banpaku (大阪万博).