30th President: Calvin Coolidge, 1923

Moose = 30 (Coolidge was the 30th president)

Cool fridges = Coolidge

Panama (canal) = 923 = 1923 became president

Calvin Klein = Calvin 

 The moose (30) guided his ship carrying cool fridges (Coolidge) along the Panama (923) Canal.

Connect Coolidge to Calvin

Not only do the cool fridges (Coolidge) look cool but they won't be seen without their Calvin Klein (Calvin) pants.

NOTE: The way Mammoth Memory remembers Calvin is to think of Calvin Klein.