McDonald's was founded in May of 1940, while Burger King was
founded in January, 1955. McDonald's is about 15 years older than
Burger King.
That is correct. In addition, Mcdonalds has been on the stock
market since 1965.
Burger King has only been listed since 2006.
http://theteeninvestingblog.wordpress.com/2010/06/28/bkc/