| 1912 | Universal Pictures is founded |
|---|---|
| 1926 | NBC is founded |
| 1928 | Walter Lantz Productions is established |
| 1943 | MCA Inc. establishes Revue Studios (later Universal Television) |
| 1953 | NBC begins first compatible color broadcasts, preceding other networks by nine years |
| 1956 | NBC's first peacock logo debuts |
| 1963 | American Cable Systems is founded |
| 1964 | Universal Studios Hollywood opens |
| 1967 | NBC broadcasts the first Super Bowl |
| 1968 | American Cable Systems rebrands to Comcast |
| 1972 | Comcast began trading on the New York Stock Exchange (NYSE) |
| 1975 | Universal releases Jaws |
| 1980 | PolyGram renames Casablanca Record & Filmworks to PolyGram Pictures MCA Videocassette‚ Inc. (later Universal Pictures Home Entertainment is established |
| 1982 | Universal releases E.T. the Extra-Terrestrial |
| 1984 | Walter Lantz Productions' assets are sold to Universal Telemundo is founded |
| 1985 | Universal releases Back to the Future |
| 1986 | General Electric buys RCA for $6.4 billion, including NBC and a stake in A&E |
| 1989 | NBC relaunches Tempo Television as CNBC |
| 1990 | Universal Studios Florida opens Law & Order premieres on NBC Sky Television and British Satellite Broadcasting merge to form British Sky Broadcasting Universal Cartoon Studios (later Universal Animation Studios) is established |
| 1993 | Universal releases Jurassic Park |
| 1994 | DreamWorks Animation is founded |
| 1996 | NBC and Microsoft replace America's Talking with MSNBC |
| 1997 | Barry Diller purchases Universal's domestic television assets |
| 1998 | Seagram acquires PolyGram Filmed Entertainment Universal Television is renamed Studios USA Television |
| 1999 | PolyGram Filmed Entertainment is folded into Universal Pictures Universal Studios Florida expands to become Universal Orlando Resort Law & Order: Special Victims Unit premieres on NBC |
| 2001 | Grand opening of Universal Studios Japan Universal releases The Fast and the Furious Vivendi purchases Studios USA |
| 2002 | NBC acquires Telemundo and Bravo Studios USA assets are folded into Universal Focus Features is formed Comcast acquires AT&T Broadband for $44.5 billion |
| 2003 | Universal becomes the first studio with five summer releases breaking the $100 million mark |
| 2004 | GE and Vivendi merge NBC and Universal into NBCUniversal |
| 2005 | The Office premieres on NBC Comcast sets up a joint-venture with PBS, Sesame Workshop & HIT Entertainment to form PBS Kids Sprout Comcast & Time Warner Cable jointly acquire Adelphia Cable assets for $17.6 billion |
| 2006 | USA Network begins 13-year streak as #1 cable network in total viewers |
| 2007 | Illumination is founded |
| 2010 | Universal releases Illumination's first film Despicable Me |
| 2011 | Vivendi divested in NBCU; Comcast buys 51% of NBCU from GE, turning it into a limited liability company NBCUniversal Archives is founded |
| 2012 | Universal celebrates its 100th anniversary NBCUniversal divests its A&E Networks minority stake |
| 2013 | Comcast buys GE's remaining 49% of NBCU Comcast/NBCU assumes full ownership of Sprout |
| 2014 | Comcast attempts to acquire Time Warner Cable for $45.2 billion NBCUniversal reaches a new long-term deal with WWE |
| 2016 | NBCU acquires DreamWorks Animation |
| 2017 | Sprout relaunches as Universal Kids |
| 2018 | Comcast acquires Sky after a heated bidding war with 21st Century Fox |
| 2019 | NBCU acquires Cineo Lighting |
| 2020 | NBCU launches Peacock |
| 2021 | Grand opening of Universal Beijing Resort |
| 2023 | The Super Mario Bros. Movie becomes Illumination's highest-grossing film |
