This week in 1907: The U.S. Post Office in Wilmington, Delaware, offered Christmas Seals for sale for the very first time; George Washington sold his racehorse, Magnolia, to Colonel Henry Lee this week in 1788 Washington reportedly got 5,000 acres of Kentucky farmland in the trade; The Peanuts gang made its TV debut. "A Charlie Brown Christmas" ran for the first time this week on CBS, and this week in 1982: a singer from Mississippi was about to have his 64th hit record.