Both concepts later became known as navigational databases due to the way data was accessed, and Bachman's 1973 Turing Award presentation was The Programmer as Navigator.

Other legislation included National Environmental Policy Act ( NEPA ), signed into law in 1970, which established a United States Environmental Protection Agency and a Council on Environmental Quality ; the Marine Protection, Research, and Sanctuaries Act of 1972 ; the Endangered Species Act of 1973, the Safe Drinking Water Act ( 1974 ), the Resource Conservation and Recovery Act ( 1976 ), the Water Pollution Control Act Amendments of 1977, which became known as the Clean Water Act, and the Comprehensive Environmental Response, Compensation, and Liability Act, commonly known as the Superfund Act ( 1980 ).

Amílcar Cabral was assassinated in Conakry in 1973, and party leadership fell to Aristides Pereira, who later became the first president of the Republic of Cape Verde.

As his brother Amílcar Cabral had been assassinated in 1973, Luís Cabral became the first president of independent Guinea-Bissau after independence was granted on September 10, 1974.

Directed by Micheal Bate and co-written by Bate and David McDonald, the production was inspired by a March 1973 interview that Bate conducted with Parsons, which became Parsons ' last recorded conversation.

England, as part of the UK, joined the European Economic Community in 1973, which became the European Union in 1993.

By the summer of 1973, Kahn and Cerf had worked out a fundamental reformulation, where the differences between network protocols were hidden by using a common internetwork protocol, and, instead of the network being responsible for reliability, as in the ARPANET, the hosts became responsible.

He became almost completely blind in 1973.

In July 1973, Zahir Shah was ousted in a nonviolent coup and Kabul became the capital of a republic under Mohammed Daoud Khan, the new President.

After the 1973 oil crisis and the subsequent rise in fuel costs, gas turbine locomotives became uneconomical to operate, and many were taken out of service.

The smaller Familia line in particular became very important to Mazda's worldwide sales after 1973, as did the somewhat larger Capella series.

The movie, which became the most commercially successful film of all time when it was released — along with his Oscar-nominated performance as Paul in Last Tango in Paris ( 1972 ), another smash hit — revitalized Brando's career and reestablished him in the ranks of top box office stars, placing him at number 6 and number 10 in Top 10 Money Making Stars poll in 1972 and 1973, respectively.

Papua New Guinea became self-governing on 1 December 1973 and achieved independence on 16 September 1975.

Individual colleges became coeducational between 1973 and 1987, with the single-sex floors of colleges that had them becoming co-ed by 2006.

In 1973, he was named Chief of the Narcotics Unit and became executive U. S. attorney.

In 1973, Othello became a commercial success in Japan and held its first national championship.

These problems became so severe that the SLPP boycotted the 1973 general election ; as a result the APC won 84 of the 85 elected seats.

Even as late as 1970, the British Protectorate did not envisage independence for Solomon Islands in the foreseeable future but shortly thereafter, the financial costs of supporting the Protectorate became more trying, as the world economy was hit by the first oil price shock of 1973.

In 1973, Kelly-Bootle left Sperry-UNIVAC and became a freelance consultant, writer and programmer.

It became Sondheim's most popular song after Frank Sinatra recorded it in 1973 and Judy Collins's version charted in 1975 and 1977.

It is part of the Caribbean Community ( CARICOM ), a regional co-operative Trade and Common Market agreement which became operational in August 1973.

From 1973 to 1987 he directed the conservation program at World Wildlife Fund-U. S., and from 1987 to 1998 he served as Assistant Secretary for Environmental and External Affairs for the Smithsonian Institution in Washington, D. C., and in 1994 became Counselor to the Secretary for Biodiversity and Environmental Affairs.

Curry first became well known with his breakthrough role as Dr. Frank-N-Furter in the 1975 cult film The Rocky Horror Picture Show, reprising the role he played in the 1973 London and 1974 Los Angeles stage productions of The Rocky Horror Show, then later for his supporting roles as Rooster in the film adaption of Annie ( 1982 ), Lord of Darkness in the film Legend ( 1985 ), Wadsworth in the film Clue ( 1985 ) as well as a starring role as Pennywise the Clown in the horror TV miniseries It ( 1990 ), which is one of Curry's most acclaimed performances aside from Rocky Horror.

He became Commander-in-Chief of the Palestinian Revolutionary Forces two years later, and in 1973, became the head of the PLO's political department.

In comedy, several players are emerging in the image of the very popular Rouiched which is illustrated in several films such as Hassan Terro or Hassan Taxi, or actor Hadj Abderrahmane better known under the pseudonym of the Inspector Tahar in 1973 comedy The Holiday of The Inspector Tahar directed by Musa Haddad.

* Paul Dudley White ( 1886 – 1973 ), known for Wolff – Parkinson – White syndrome

John Adams, known by baseball fans as " The Drummer ", has played a bass drum at nearly every home game since 1973.

In 1973, archeologists discovered copies of early Chinese books, known as the Mawangdui Silk Texts, in a tomb dating from 168 BC.

Franklin James Schaffner ( May 30, 1920July 2, 1989 ) was an American film director best known for such films as Planet of the Apes ( 1968 ), Patton ( 1970 ), Papillon ( 1973 ), and The Boys from Brazil ( 1978 ).

Gygax left Guidon Games in 1973 and, with Don Kaye as a partner, founded the publishing company Tactical Studies Rules ( later known as TSR, Inc .) in October.

In 1973, under manager Jack McKeon, the Royals adopted their iconic " powder blue " road uniforms and moved from Municipal Stadium to the brand-new Royals Stadium ( now known as Kauffman Stadium ).

* 1899 – Peter Aufschnaiter, Austrian mountaineer, known from Seven Years in Tibet ( d. 1973 )

Since then, former next-door neighbor RKO closed up shop in 1957 ; Warner Bros. ( whose old Sunset Boulevard studio was sold to Paramount in 1949 as a home for KTLA ) moved to Burbank in 1930 ; Columbia joined Warners in Burbank in 1973 then moved again to Culver City in 1989 ; and the Pickford-Fairbanks-Goldwyn-United Artists lot, after a lively history, has been turned into a post-production and music-scoring facility for Warners, known simply as " The Lot ".

Pablo Ruiz y Picasso, known as Pablo Picasso (, 25 October 1881 – 8 April 1973 ), was a Spanish painter, sculptor, printmaker, ceramicist, and stage designer who spent most of his adult life in France.

Clifford Cocks, an English mathematician working for the UK intelligence agency GCHQ, described an equivalent system in an internal document in 1973, but given the relatively expensive computers needed to implement it at the time, it was mostly considered a curiosity and, as far as is publicly known, was never deployed.

Shannon Elizabeth Fadal ( born September 7, 1973 ), better known as Shannon Elizabeth, is an American actress and former fashion model.

On 6 October 1973, Egypt commenced Operation Badr to liberate Sinai, whilst Syria launched a simultaneous operation to liberate the Golan Heights, thereby beginning the Yom Kippur War ( known in Egypt as the October War ).

In an effort to augment the Looking Glass mission, a 1973 initiative resulted in the establishment of the National Emergency Airborne Command Post ( NEACP ), also known as " knee cap ," resulting in the procurement of four Boeing E-4 aircraft derived from the Boeing 747.

The most widely known approach was published by Charles Van Riper in 1973 and is also known as block modification therapy.

Later in 1973, Tim Buckley released the album Sefronia, which contained a cover version of Waits ' song " Martha " from Closing Time, the first-ever cover of a Tom Waits song by a known artist.

* Bosco Ntaganda ( born c. 1973 ), Congolese militia leader and war criminal also known as " the Terminator "

Around 180 Uruguayans are known to have been killed during the 12-year military rule from 1973 – 1985.

They were successful as live performers, becoming known to fans as " that little ol ' band from Texas ", and their 1973 album Tres Hombres, according to AllMusic, propelled the band to national attention and " made them stars ".

This concert was followed by two others of the same type in 1968 and 1973, known as the Second and Third Sacred Concerts.