In the United States, a pickle Christmas ornament is a tradition that originated in the 19th century. It is believed that the first person to start this tradition was a German immigrant who placed a pickle ornament on his Christmas tree as a sign of good luck and to reward his children for being good. The tradition has since become a common practice, with parents placing a pickle ornament on the tree and the first child to find it receiving a special gift or treat. The meaning behind the tradition is not entirely clear, but it is believed to symbolize the importance of being the first to act, as well as good luck and fortune.