That vote was about a specific project, there was an earlier more general one that is also discussed in the linked article. Or see https://en.wikipedia.org/wiki

That vote was about a specific project, there was an earlier more general one that is also discussed in the linked article. Or see https://en.wikipedia.org/wiki/1996_Okinawan_referendum https://en.wikipedia.org/wiki/1996_Okinawan_referendum