30 and 40m2 classes were accepted to the 1920 Summer Olympics, but only a handful of boats participated.
Toyota Land Cruiser | cruiser | Japanese cruiser Takao | Japanese cruiser Mogami | Japanese cruiser Maya | Japanese cruiser Kiso | German auxiliary cruiser Pinguin | Kuma-class cruiser | Japanese cruiser Ōi | Japanese cruiser Kitakami | German cruiser Blücher | Spanish cruiser Isla de Cuba | Japanese cruiser Myōkō | German cruiser Prinz Eugen | German cruiser Admiral Graf Spee | Chinese cruiser Yangwei | Spanish cruiser Don Antonio de Ulloa | Spanish cruiser Almirante Cervera | Soviet cruiser Kirov | SMS Seeadler (auxiliary cruiser) | Japanese cruiser Tsushima | Japanese cruiser Tenryū | Japanese cruiser Otowa | Japanese cruiser Mogami (1934) | Japanese cruiser Mikuma | Japanese cruiser Chōkai | Japanese cruiser Chikuma (1938) | Japanese cruiser Abukuma | Italian cruiser Muzio Attendolo | German cruiser Admiral Hipper |