# Events at O’Brien Hall 305 in the next 30 days No events at O’Brien Hall 305 are listed in the next 30 days. Each event has its time, place, cost and a link to its source. Add any view to your calendar app. Calendar feed of this view: https://littlemilwaukee.com/events/calendar.ics?venue=o-brien-hall-305 No events match.