EQ is having Double EXP:
https://forums.station.sony.com/eq/index.php?threads/celebrate-the-4th-with-double-xp.201334/It's a Double XP Weekend! Starting at 12:01 am on Thursday, July 4th you'll enjoy earning twice the XP as you adventure in Norrath. But don't miss out! This bonus will go away Sunday, July 7th at 11:59 pm PDT.
Also SOE is doing Bonus SC:
https://forums.station.sony.com/eq/index.php?threads/celebrate-july-4th-with-40-off-station-cash.201337/We’re celebrating our players this July 4th! For 24 hours*, get 40% off when you buy Station Cash with your Credit Card of Via PayPal.*
(please note, you will be required to log into your Station Account in order to complete your discount purchase)
Added Bonus!!
Do you have a $15 SOE Pre-Paid Game Card? We want you to enjoy the celebration too! Get an extra SC1000 when you redeem your $15 SOE Pre-Paid Game Cards on July 4th* only!!
*Offer valid only from 12:00am PDT July 4th, 2013 until 11:59pm PDT July 4th, 2013. Excludes purchases made via SMS