BU Events Calendar Alumni Association (April 30 through June 30) Friday, May 1 10:00 AM School of Theology Library Book Sale Saturday, June 27 12:00 AM Alumni Travel: Great Journey through Europe Sunday, June 28 12:00 AM Alumni Travel: Great Journey through Europe Monday, June 29 12:00 AM Alumni Travel: Great Journey through Europe Tuesday, June 30 12:00 AM Alumni Travel: Great Journey through Europe