1964–1973
1973–1979
This logo was recently reintroduced for its taco flavor.
1979–1985
1985-1994
1994-1997
1997–2000
Same as the previous logo, but with a black background and white lettering. This was introduced in September 1997.
2000-2002
2002–2005 (North America), 2002-2007 (International)
2005–2013 (North America)
2007-2013 (International)
Still used in Japan and some other countries (as of January 2014).