1st Symposium on English-language Haiku, Platteville, Wisconsin (1967)
The earliest haiku conference in the United States is believed to have been the 1st Symposium on English-language Haiku, held on May 16, 1967, at Wisconsin State University—Platteville. The organizers and presenters were James and Gayle Bull, Clement Hoyt, and Robert Spiess, all associated with the journal American Haiku.