Here are some of the gaming conventions we know of:

Name	Type	When	Where
Havoc	miniatures	late March or early April	Mass
HMGS Cold Wars	miniatures	mid-March	Penn
HMGS Historicon	miniatures	early July	Penn
World Boardgame Championships	board games	late July	Penn
Carnage	general	early November	Mass
HMGS Fall-In	miniatures	mid-November	Penn

If you know of one that should be on the list, email swawebmaster@swa-gaming.org