Rin Tin Tin was a German Shepherd puppy rescued from a bombed-out kennel in France during WWI by American soldier Lee Duncan. He became one of Hollywood's biggest stars in the 1920s, and his movies helped make the breed hugely popular in the US.
Fettuccine Alfredo was created by Alfredo di Lelio in Rome in the early 1900s and became famous in the US after Hollywood stars Mary Pickford and Douglas Fairbanks raved about it.