From the Events Calendar for July:
MidSummer Fire Festival June 21-July 5
|Darkmoon Faire (Mulgore) July 10 - July 16|
|Call to Arms: Alterac Valley! July 7 - July 10|
|Call to Arms: Warsong Gulch! July 14 - July 17|
Call to Arms: Arathi Basin! July 21 - July 24
During a Call to Arms, emmissaries from that Battleground will be found in the major cities, and honor/faction rewards for performing objectives in that battleground are increased.