 In June, the Whigs toured England with We Are Scientists and returned in February 2011 to co-headline a tour with Dead Confederate along with some dates in mainland Europe, with whom they share the same label in the UK and Europe, Kartel.In May 2011, the Whigs returned to the U.K and to perform at Ireland's famed Slane Castle for their 30th anniversary.Here the Whigs opened for Kings of Leon and Thin Lizzy and performed to an estimated 75,000 people.