October 9 is National Postal Day , commemorating the 1874 creation of the first postal union . Swiss businessman Adolf Fischer began collecting stamps in the late 19th century . His collection contains 500 postcards from 30 countries .
October 9 is World Post Day , celebrating the 1874 creation of the first postal union . Swiss businessman Adolf Feller began collecting postcards in the late 19th century . His collection contains 54,000 postcards from 140 countries .