1972 Death William Boyd, cowboy (Hopalong Cassidy), dies at 77 1967 Death Andy Clyde, Hopalong Cassidy's sidekick, dies at 75 1961 Death William Duncan, actor (Hopalong Rides Again), dies at 81 1949 Event "Hopalong Cassidy" becomes 1st network western (NBC) 1948 Event "Hopalong Cassidy" premieres on TV 1934 Birthday Howard "Hopalong" Cassady, NFLer 1895 Birthday William Boyd, born in Ohio, cowboy, Hopalong Cassidy 1883 Birthday Clarence Mulford, Illinois, western writer, Hopalong Cassidy
