The Events Calendar is an extensible plugin that lets you easily share your events.
http://wordpress.org/plugins/the-events-calendar/
Widgets · Bookings · WordPress Plugins
Get access to data on 850,815 websites that are The Events Calendar Customers. We know of 470,803 live websites using The Events Calendar and an additional 380,012 sites that used The Events Calendar historically and 262,592 websites in the United States.
Get a list of 850,815 websites using The Events Calendar which includes location information, hosting data, contact details, 470,803 currently live websites and an additional 209,502 domains that redirect to sites in this list. 380,012 sites that used this technology previously and 262,592 websites in the United States currently using The Events Calendar.