1.33:1 or 4:3
standard (academy) and standard-definition video
Freaks
Tod Browning, 1932
1.78:1 or 16:9
high-definition video
2012
Roland Emmerich, 2009
1.85:1
US theatrical showings since the 1960s
Wings of the Hawk
Budd Boetticher, 1953
2.39:1
Cinerama, three aligned projectors shown on curved screen
This Is Cinerama!
Merian C. Cooper et al., 1952
2.75:1
aspect ratio of Ultra-Panavision 70
Ben-Hur
William Wyler, 1959
4.00:1
rare use of Polyvision (three 35mm 1.33:1 projected side by side)
Napoléon
Abel Gance, 1927