Eventful API

From their site: Eventful is the leading events website which enables its community of users to discover, promote, create and share events throughout the world. The Eventful Demand service enables users to create grass-roots campaigns to demand events and performances in their city. In addition to event discovery and promotion at Eventful.com, the underlying technology platform enables sharing, feeds and event data syndication to other websites, blogs, calendars and partners. The same platform upon which Eventful.com is built is available to developers to build upon: go here to read about our Developer API.Read More