1973
January 3
1974
December
1975
April 17
Sydney H. Schanberg and Dith Pran of The Times remain in Cambodia when it falls to the Khmer Rouge. Their collaboration leads to a Pulitzer Prize and a film, "The Killing Fields."
1976
January
The Times begins Sunday sections devoted to New Jersey and Long Island. Westchester and Connecticut weeklies follow in 1977.
April 30
With the debut of Weekend, The Times publishes its first four-section daily paper. Other free-standing feature sections follow over the next two years: SportsMonday, Science Times, Living and Home.
September 6
News and advertising columns are widened. Six now fit on a page, down from eight.
1977
July 13
1978
May 17
The Business Day section makes its debut.
May 26
The Times begins abandoning hot metal type, set by Linotype operators, in favor of "cold type," set on computers.
July 24
1980
August 18
The Times begins publishing a national edition. Pages are transmitted by satellite to printing presses in Chicago. Trucks and planes distribute it from there. Eventually The Times will be printed at plants around the country.
1981
January 20
Ronald Reagan is inaugurated as president; 52 Americans held hostage in Iran are freed.
The Times begins converting its presses at the 43rd Street headquarters from letterpress to the offset method.
1982
June 22
The Personal Computers column makes its debut, in Science Times.
1984
January 29
Programs on cable are included in the television listings.
1986
January 28
The space shuttle Challenger explodes 74 seconds after liftoff, killing all seven astronauts. The Times's subsequent coverage, which identified serious design flaws, would win the 1987 Pulitzer Prize for national reporting.
1987
September 13
The Sunday paper weighs in at 12 pounds, with 1,612 pages, a record.
1990
February 26
Iphigene Ochs Sulzberger, daughter of Adolph S. Ochs and a guiding conscience for generations of publishers, reporters and editors, dies at 97.
1992
January 16
1993
June 6
Full color is first used in the Book Review. Other Sunday sections – Travel, Arts and Leisure, and Real Estate – soon follow.
1994
June 9
1995
March 14
Business section redesigned and expanded.
1996
January 19
The Times on the Web – www.nytimes.com – goes online, giving readers anywhere in the world access to the newspaper's articles and pictures on the night of publication.
1997
June 15
October 16
The first color picture appears on Page 1: Tony Fernandez, whose 11th-inning home run propelled the Cleveland Indians into the World Series.
1998
February 26
"With this first issue of Circuits The Times is expanding its coverage of the kind of technology that has already changed the lives of everyone who uses a computer or a cellular phone."
2000
April 19
The largest weekday Times, at 174 pages.
June 25
The Times and New York Times Digital inaugurate a continuous news operation, providing updated news and analysis around the clock.