1963: Comcast springs to life when Ralph
1968: The company buys its first franchise of Muzak — the background music company — and begins adding franchises throughout the country.
1972: Comcast becomes a publicly traded company. Within a few years, its annual earnings top $3 million.
1981: Brian Roberts, who had previously worked as an intern at Comcast, joins the company full time after graduating from the Wharton School at the University of Pennsylvania.
1994: Comcast becomes the third-largest cable operator in the U.S. with the purchase of Maclean Hunter's U.S. cable operations. The company grows to 3.3 million customers.
1996: Comcast launches high-speed Internet service trials in Baltimore and Sarasota, Fla. The company also forms Comcast-Spectacor, owner of the
1998: Comcast continues buying smaller cable operators, including Jones Intercable.
2002: Comcast acquires
2003: Comcast sells its 57% stake in home shopping network
2004: Comcast mounts an unsuccessful $54-billion hostile takeover of
2005: Comcast introduces "triple play" that includes TV channels, Internet and phone service. Comcast and
2009: Comcast becomes the nation's largest Internet service provider.
2011: Comcast acquires 51% of
2013: Comcast buys the remaining 49% of NBCUniversal for $16.7 billion.
2014: Comcast announces a $45-billion takeover of Time Warner Cable. The merger would give Comcast 33 million subscribers nationwide, including 1.5 million homes in Los Angeles. The company said it would spinoff or divest about 4 million subscribers to