Since the mid 1950s, when urethane foam first made its appearance in the American market, growth has been little short of fantastic.

Since the 1950s, this type of fiction has to a large extent merged with science fictional tropes involving cross-time travel between alternate histories or psychic awareness of the existence of " our " universe by the people in another ; or ordinary voyaging uptime ( into the past ) or downtime ( into the future ) that results in history splitting into two or more time-lines.

Since the growth of global fishing enterprises after the 1950s, intensive fishing has spread from a few concentrated areas to encompass nearly all fisheries.

" Since the 1950s conservatism in the United States has been chiefly associated with the Republican Party.

* Since the 1950s, the United States Atomic Energy Commission has named its highest honor, the Fermi Award, after him.

Since the 1950s, hydrology has been approached with a more theoretical basis than in the past, facilitated by advances in the physical understanding of hydrological processes and by the advent of computers and especially geographic information systems ( GIS ).

Since the 1950s, when Lacan and Foucault argued that each epoch has its own knowledge system, which individuals are inexorably entangled with, many post-structuralists have used historicism to describe the view that all questions must be settled within the cultural and social context in which they are raised.

Since the 1950s, many blues harmonica players have amplified their instrument with microphones and tube amplifiers.

Since the 1950s and 1960s in particular, the Irish have become assimilated into the British population.

Since the 1950s, following the lead of D. W. Jefferson, there are those who argue that, whatever its legacy of influence may be, Tristram Shandy in its original context actually represents a resurgence of a much older, Renaissance tradition of " Learned Wit " – owing a debt to such influences as the Scriblerian approach.

Since the 1950s, manga has steadily become a major part of the Japanese publishing industry, representing a ¥ 406 billion market in Japan in 2007 ( approximately $ 3. 6 billion ) and ¥ 420 billion ($ 5. 5 billion ) in 2009.

Since the 1950s however, manufacturing shortcuts have resulted in a quality decline of machetes.

Since trade was restricted in the 1950s they have found work as high altitude porters, guides, cooks and other accessories to tourism and alpinism.

Since the early 1970s, oral history in Britain has grown from being a method in folklore studies ( see for example the work of the School of Scottish Studies in the 1950s ) to becoming a key component in community histories.

Since the 1950s, the club's helmets have featured eagle wings, originally silver on a kelly green helmet.

Since the late 1950s, almost all phono input stages have used the RIAA equalization standard.

Since the 1950s, television has been the main medium for molding public opinion.

Since the 1950s, television has been the main medium for molding public opinion.

Since the 1950s, Montevideo's prosperous middle classes have tended to abandon the formerly fashionable downtown areas for the more modern high-rise apartment buildings of Pocitos, a beachfront neighborhood east of the center.

Since the late 1950s, aerospace engineers have used the term " unobtainium " when referring to unusual or costly materials, or when theoretically considering a material perfect for their needs in all respects, except that it does not exist.

Since the end of the 20th century, the economic strength during the 1920s has drawn close comparison with the 1950s and 1990s, especially in the United States of America.

Since the 1950s, Real Madrid and Barcelona have dominated the championship.

: Since the 1950s, both the atmospheric CO < sub > 2 </ sub > level and obesity levels have increased sharply.

Since then, the Cockney accent has been more accepted as an alternative form of the English Language rather than an ' inferior ' one ; in the 1950s the only accent to be heard on the BBC ( except in entertainment programmes such as Sooty ) was RP, whereas nowadays many different accents, including Cockney or ones heavily influenced by it, can be heard on the BBC.

Since the passage of the Act of Settlement, the most senior member of the Royal Family to have married a Roman Catholic, and thereby been removed from the line and later lines of succession, is Prince Michael of Kent, who married Baroness Marie-Christine von Reibnitz in 1978 ; he was fifteenth in the lines of succession at the time of his marriage.

Since the 16th century, generations of politicians remain attracted and repelled by its apparently neutral acceptance, or even positive encouragement, of the immorality of powerful men, described especially in The Prince but also in his other works.

Since graduating from Trinity, HRH The Prince of Wales has retained a private apartment in usufruct at the back of the college.

Since 2008, Prince has been managed by UK based Kiran Sharma owner of Kikit Entertainment.

Since 1991 the couple's children are titled Archduke ( Archduchess ) of Austria-Este, Princes ( ss ) of Belgium, Prince ( ss ) Imperial of Austria, Prince ( ss ) Royal of Hungary and Bohemia.

In Egyptian, “ Naz ” means “ Sent ,” while “ Seir ” means “ Prince ” or “ Chief .” Therefore, the title “ Naz Seir ” can mean “ Sent Prince .” Since “ Naz ” and “ Zar ” both mean “ Prince ” in Hebrew, Naz Seir could also mean “ Prince of princes ,” a fitting title for Jesus as the King of kings.

Since there was no Prince of Orange upon the death of William II, the regents used this opportunity to leave the stadtholdership vacant.

Since William III died childless in 1702 the principality became a matter of dispute between Prince John William Friso of Nassau-Dietz of the Frisian Nassaus and King Frederick I of Prussia, who both claimed the title Prince of Orange.

Since then, the stage has accommodated huge productions including Prince of Persia: The Sands of Time ( 2010 ), Quantum of Solace ( 2008 ) and the whole fishing village from Mamma Mia!

Since 1180 part of Ratzeburg diocesan area formed a Prince Bishopric, whose ruler was sovereign and as such had a vote at the Imperial Diet.

Since there was no club house in the early days the team played from the Prince of Wales pub, near the town's covered market.

Since 2000, there have been bun-throwing ceremonies to commemorate the Millennium, the Golden Jubilee of Queen Elizabeth II in 2002, 450th anniversary of the town's being granted a Royal Charter in 2006, and the Royal Wedding of Prince William and Catherine Middleton on the 29th April 2011.

Since 2000, Prince Felipe has represented Spain in half of all diplomatic engagements.

Since the death of his father, Prince Richard has been the most senior agnatic descendant of Queen Victoria and Prince Albert, making him the most senior exclusively-male-line male in the House of Windsor and, therefore, of the entire House of Saxe-Coburg and Gotha.

Since 1991, he and Prince Souphanouvong, Sisomphon Lovansay is Advisors of Party's Central Committee.

Since the exit of the Republic of Ireland from the United Kingdom in 1922, titles related to locations in the Republic have not been awarded ( though Prince Edward, Prince of Wales — in 1936 briefly King Edward VIII — was made a Knight of the Order of St Patrick ).

Since 1301 the title has generally been granted to heirs-apparent to the English throne, and from the late 14th century it has been given only in conjunction with that of Prince of Wales.