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.