The Iron Curtain Speech
Vertov: Iron Curtain speech.
Riiight!
"On March 5, 1946, Winston Churchill spoke at a small college in Fulton, Missouri. This famous speech, officially called The Sinews of Peace...."
http://abt.cm/1j2duJ9
Not the original use of the term "Iron Curtain," but popularized it, and the powerful meaning thereof.