Midwest Theory Day - Held twice a year, usually on a Saturday in December and on a Saturday in April. Details of past and future meetings. - http://facweb.cs.depaul.edu/jrogers/MTD/
Computational Complexity Conference - Annual conference that deals with computational complexity broadly defined. - http://facweb.cs.depaul.edu/jrogers/complexity/
SIGACT News Theory Calendar - Calendar of upcoming theoretical computer science events and a list of recently released books in the field. - http://www.cs.uiowa.edu/theoryc/
STOC - ACM Symposium on Theory of Computing. - http://sigact.acm.org/stoc/