The Pitiless Three 1964

Chronological list of 300 Spaghetti Westerns compiled from the following sources:
www.spaghetti-western.net/index.php/Top_Lists_and_Favorites
www.cinemadailies.com/the-best-spaghetti-western-movies-of-all-time
wikipedia.org/wiki/Spaghetti_Western