Since its original 1973 Broadway production, the musical has enjoyed professional productions in the West End, by opera companies, in a 2009 Broadway revival, and elsewhere, and it is a popular choice for regional groups.

Since the corona has been photographated at high resolution in the X-rays by the satellite Skylab in 1973, and then later by Yohkoh and the other following space instruments, it has been seen that the structure of the corona is very various and complex: different zones have been immediately classified on the coronal disc

Since 1973, the number of countries establishing diplomatic relations with Gabon has doubled.

Since the oil shocks of the 1970s, Japan has reduced dependence on petroleum as a source of energy from more than 75 % in 1973 to about 57 % at present.

Since 1973, the Royals have played in Kauffman Stadium.

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 ".

Since 1973 the cease-fire line has been respected by both sides, with very few incidents until the Syrian uprising of 2011 began.

Since 1973 the primary record keeping system of the Department of State is the Central Foreign Policy File.

Since 1973 Amnesty International has adopted the simplest, broadest definition of torture:

Since 1973, a rail ferry operates across the strait, connecting the port of Vanino, Khabarovsk Krai on the mainland with Kholmsk on Sakhalin Island.

Since becoming the San Antonio Spurs in 1973, the team colors have been black, silver and white.

Since 1973, this design has been built in glass-reinforced plastic with the same weight distribution as the original wooden version.

Since 1973, Bracknell Forest has been twinned with Opladen in Germany, continued by Leverkusen after Opladen's incorporation in 1975.

Since the completion of the reservoir system, the highest Chattanooga flood stage has been nearly 37 feet, which occurred in 1973.

Since 1947, a summer day camp has been running almost continuously, just missing the two seasons of 1972 and 1973.

Since 1973 the village's best known business has been the Rongovian Embassy to the USA, a bar and restaurant that frequently features local, national and international musical talent.

Since 1973 the Feminist Studio Workshop at the Woman's Building in Los Angeles had a formative impact on the wave of performances with feminist background.

Since then, elections have been held in 1957, 1962, 1963 ( an early election following Yitzhak Ben-Zvi's death ), 1968, 1973, 1978, 1983, 1988, 1993, 1998, 2000 and 2007.

Since 1973, Miles has gone through periods of semi-retirement.

Since Griswold, the Supreme Court has cited the right to privacy in several rulings, most notably in Roe v. Wade, 410 U. S. 113 ( 1973 ), where the Court ruled that a woman's choice to have an abortion was protected as a private decision between her and her doctor.

Since 1973, maquiladoras have also accounted for nearly half of Mexico ’ s export assembly.

Since its formation in 1879, the club has won six First Division titles — in 1892, 1893, 1895, 1902, 1913, and 1936 — and the FA Cup twice, in 1937 and 1973.

Since 1973 only two other clubs, Southampton in 1976, and West Ham United in 1980, have equalled Sunderland's achievement of lifting the FA Cup while playing outside the top tier of English football.

One can also find this view in Maurice Dobb's Theories of Value and Distribution Since Adam Smith: Ideology and Economic Theory ( 1973 ), as well as in Karl Marx's Theories of Surplus Value.

Since the 1990s Brazil has been relocating its forces in accordance to this national security requirement.

Since the 1989 coup and subsequent expulsion of South African-financed mercenaries, Comoros likewise turned away from South Africa and toward France for assistance with its security needs.

Since 1988, Danish defence budgets and security policy have been set by multi-year agreements supported by a wide parliamentary majority including government and opposition parties.

Since Version 0. 7, Freenet offers two different levels of security: Opennet and Darknet.

Since many insurgents rely on the population for recruits, food, shelter, financing, and other materials, the counter-insurgent force must focus its efforts on providing physical and economic security for that population and defending it against insurgent attacks and propaganda.

Since she had previously notified the Norwegian authorities that she had changed residence to France, she was no longer entitled to benefits of Norwegian social security.

Since 1990, Hungary's top foreign policy goal has been achieving integration into Western economic and security organizations.

Since the mid-1980s, there are some overlaps in ideas and members with the computer security hacking community.

Since 2003, security problems have blocked efforts to establish new enterprises.

Since Poland was regarded as the East European state with the most powerful army, it became imperative to tie Poland to Britain as the best way of ensuring Polish support for Romania, since it was the obvious quid pro quo that Britain would have to do something for Polish security if the Poles were to be induced to do something for Romanian security.

Since 2008 the Afghan National Security Forces ( ANSF ) are in charge of security in the city.

Since even the unholstered weapon is indistinguishable to most observers from a standard pistol, this may lessen attention from media or potential attackers as to the security measures that are in place.

Since 1990 the mission of the EPS has been to ensure the security of the national borders and to deal with internal disturbances.

Since Odo was seen as a neutral observer, sympathizing with no one, he was considered a valuable security officer.

Since the attack, security at many airports worldwide has been escalated, ostensibly to lower the probability of similar events occurring again.

Since the establishment of the State of Israel, the Zionist movement continues primarily to advocate on behalf of the Jewish state and address threats to its continued existence and security.

Since about 2000 the focus of HP-UX has increasingly been on enhanced reliability, security, workload management, and partitioning.

Since the September 11, 2001 attacks, airport security has dramatically increased.

Since the only known way to solve that problem requires factoring the modulus, the difficulty of Integer factorization is generally regarded as providing security.

Since the attack to the Casino Royale in 2011, the security has been reinforced by military and federal police.

Since the time of McCarthy, the word McCarthyism has entered American speech as a general term for a variety of practices: aggressively questioning a person's patriotism, making poorly supported accusations, using accusations of disloyalty to pressure a person to adhere to conformist politics or to discredit an opponent, subverting civil rights in the name of national security, and the use of demagoguery are all often referred to as McCarthyism.

Since its inception under Harry S. Truman, the function of the Council has been to advise and assist the president on national security and foreign policies.

Since 1989, entering Downing Street has required passing through a security checkpoint.

Since 2001, security cooperation with the United States has increased, and US forces have taken part in training missions in the country's Saharan south.