Yesterday I found Upcoming.org – an event listing site. Why not add your library events? I added all of the classes for the night school I’m a board member of – and I’ll be sending the site to our Head of Professional Development at work.
It was very easy to add my events. Venues are stored in their database and if your venue isn’t there you only have to add it once and then it’s available to everyone. It also checks to make sure that your event isn’t already listed by showing you events at your venue on that same date. There aren’t many members yet – but every little (free) bit helps.