From the web page: CONvergence is a convention for fans of Science Fiction and Fantasy in all media, and is held at the Sheraton Bloomington Hotel in the Twin Cities area of Minnesota on the first full weekend of July each year. CONvergence is a production of The Minnesota Society for Interest in Science Fiction and Fantasy, a 501(c)3 non-profit organization, and acts as an annual fundraiser for that organization.
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