1st century BC - Kama Sutra was created
1440 - Gutenberg Press Invented
1928 - Dr. Ruth was born.
1953 - Hugh Hefner starts Playboy
1965 - Bob Guccione starts Penthouse
1968 - Al Goldstein starts Screw
1969 - First mainstream movie to represent the swinger lifestyle - Bob & Carol & Ted & Alice, Directed by Paul Mazursky
1970 - Penthouse shows pubic hair for the first time.

1970 - Notable Porn Movies - Cycle Studs - Le Salon (Gay)
1971 - Notable Porn Movies - The Boys in the Sand - Wakefield Poole (Gay)
1971 - First condom to appear in a movie - Carnal Knowledge, Directed by Mike Nichols
1972 - Notable Porn Movies - Deep Throat - Gerard Damiano (Straight)
1972 - Notable Porn Movies - Behind the Green Door - The Mitchell Brothers (Straight)
1972 - Notable Porn Movies - Fritz the Cat - Ralph Bakshi (Anime)
1974 - Larry Flynt starts Hustler.
1975 - Betamax introduced
1975 - First condom commercial air on television
1976 - VHS introduced
1978 - Larry Flynt is shot in an assassination attempt that left him paralyzed from the waist down.
1983 - Name server developed at University of Wisconsin
1984 - Penthouse publishes pictures of Vanessa Williams naked. She resigns her Miss America crown.
1984 - Domain Name Systems (DNS) introduced
1985 - Symbolics.com is the first registered domain in history
1985 - Earliest domains to be registered - cmu.edu, purdue.edu, rice.edu, berkeley.edu, ucla.edu, rutgers.edu, bbn.com, mit.edu, think.com, css.gov, mitre.org
1986 - Traci Lords is discovered to be underage
1986 - US Attorney General Edwin Meese published 1,960 page report investigating porn at the order of President Ronald Reagan.
1988 -Title 18 United States Code Section 2257 was enacted
1990 - First commercial provider of Internet dial-up access - world.std.com
1992 - Term "Surfing the Internet" is first heard
1993 - Don't Ask Don't Tell introduced by President Bill Clinton.
1993 - World Wide Web goes live.
1994 - Sex.com was registered by Gary Kremen
1995 - First confirmed blowjob in the White House.
1995 - Sex.com was stolen by Stephen Cohen
1996 - Domain name tv.com sold for $15,000
1997 - DVD introduced
1997 - Domain name business.com sold for $150,000
1998 - Viagra introduced
1998 - Al Goldstein installs Fuck You Finger in his backyard in Florida.
1999 - Domain name business.com sold for $7,500,000
2000 - Sex.com was given back to Gary Kremen after a legal fight.
2000 - AEBN launched first VOD site
2000 - American Express stops accepting porn transactions
2001 - Yahoo removes porn banners from search engine
2003 - Paypal stops processing adult transactions
2003 - Penthouse files bankruptcy
2005 - Sex.com theif Stephen Cohen arrested
2005 - Video iPod introduced
2006 - Sex.com sold for a reported $12,000,000
2006 - Google resist court order for porn search results

Courtesy : http://www.boingboing.net/2006/03/29/a_brief_history_of_p.html