An Englishman, Irishman and Scotsman were invited to a...

An Englishman, Irishman and Scotsman were invited to a Christmas party. The Englishman brought a bag of tinsel, the Scotsman brought a bag of holly and they asked the Irishman: "What have you brought?" He said: "I brought a pair of knickers." They asked: "What has that got to do with Christmas?" He said "They're Carol's."