Until the late 19th century, the axiom of choice was often used implicitly, although it had not yet been formally stated.

Until the late 19th century the only available propellant was black powder.

Until late 2002 it served Mexico, Central America, South America and all of the Caribbean.

Until the 1930s, the Finnish economy was predominantly agrarian, and, as late as in the 1950s, more than half the population and 40 percent of output were still in the primary sector.

Until the late 1970s, it was common for hearses in the USA to be combination coaches which also could serve in the ambulance role ; these were common in rural areas.

Until his retirement in late 2010 he was a professor at Xiamen University, where he taught theoretical physics and computer science, and ran the Artificial Brain lab.

Until the late 20th century Protestantism — especially of the Presbyterian variety — was a central value for most Scots, helping shape their identity and way of thinking.

Until the late 1960s, the standard hi-hats were, with available as a less-common alternative in professional cymbal ranges and smaller sizes down to restricted to children's kits.

Until the late 20th century, the history of science, especially of the physical and biological sciences, was seen as a narrative of true theories replacing false ones.

Until late in the war, he resisted efforts to appoint a general-in-chief, essentially handling those duties himself.

Until the late 18th century, the island of Madagascar was ruled by a fragmented assortment of shifting socio-political alliances.

Until the late Middle Ages, mages ' fortunes waxed and waned along with their native societies.

Until late 2006, they were also used in many of SGI's computer products.

Until the late years of the Soviet Union, political science as a field was subjected to tight control of the Communist Party of the Soviet Union.

Until the late eighteenth century, the principal towns were on the east coast — Al Huwayla, Fuwayrit, and Al Bida — and the modern city of Doha developed around the largest of these, Al Bida.

Until the late 19th or early 20th century, those who pursued science were called " natural philosophers " or " men of science ".

Until the late nineteenth century sugar was purchased in loaves, which had to be cut using implements called ' nips ', while in later years, bags of sugar became more common.

Until nitrox was widely accepted in the late 1990s, almost all recreational scuba used simple compressed and filtered air.

Until the late 1970s, stripes were permissible for NFL footballs for night games and other special situations.

Until late 1949, Inklings readings and discussions usually occurred during Thursday evenings in C. S. Lewis's college rooms at Magdalen College.

Until the construction boom of the late 1970s, relatively few modern buildings had been constructed.

Until the late 1970s, the First Committee was the Political and Security Committee ( POLISEC ) and there was also a sufficient number of additional " political " matters that an additional, unnumbered main committee, called the Special Political Committee, also sat.

Until the late 1980s, UMIST's official alumni organisation was called the Manchester Technology Association, a name which was a relic of UMIST's past incarnation as ' The Tech '.

Until the early 20th century, the chief ancient buildings at Sparta were the theatre, of which, however, little showed above ground except portions of the retaining walls ; the so-called Tomb of Leonidas, a quadrangular building, perhaps a temple, constructed of immense blocks of stone and containing two chambers ; the foundation of an ancient bridge over the Eurotas ; the ruins of a circular structure ; some remains of late Roman fortifications ; several brick buildings and mosaic pavements.

Until the last year or so the profession of friendship with the United States had been an article of faith with Trujillo, and altogether too often this profession was accepted here as evidence of his good character.

Until Moscow resumed nuclear testing last September 1, the US and UK had released more than twice as much radiation into the atmosphere as the Russians, and the fallout from the earlier blasts is still coming down.

Until 2007, when Victoria administration made it co-ed, Gate House was one of the last remaining all-male residence building in the University of Toronto.

Until 1906, the year of his last film, Doyen recorded more than 60 operations.

Until recently, the last woolly mammoths were generally assumed to have vanished from Europe and southern Siberia about 12, 000 years ago, but new findings show some were still present there about 10, 000 years ago.

Until the release of official data in 1989, the 1963 edition of the North Korea Central Yearbook was the last official publication to disclose population figures.

Until its last refit, Columbia was the only operational orbiter with wing markings consisting of an American flag on the port ( left ) wing and the letters " USA " on the starboard ( right ) wing.

Until the New Orleans Saints and Indianapolis Colts qualified for Super Bowl XLIV, this was the last time that both number one seeds advanced to the Super Bowl.

Until 2007, when Victoria administration made it co-ed, Gate House was one of the last remaining all-male residence building in the University of Toronto.

Until the last century the city was distinguished into three different groups: the walled city where the castle stood, and that was identified with the ancient acropolis greek-Roman urban center, the Village or the Upper Town on the hill slope and the New Town, plain.

Until the last thirty seconds of this two and a half minute dance the pair appear to pull back from touching, then with a crook of her elbow Rogers invites Astaire in.

Until the 20th century, future British executioners were trained at Newgate ; one of the last was John Ellis in 1901.

Until 1815, the only extant works ascribed ( erroneously ) to Fronto were two grammatical treatises, De nominum verborumque differentiis and Exempla elocutionum ( the last being really by Arusianus Messius ).

Until 1981 Todd, Shannon and Washabaugh County, South Dakota, were the last unorganized counties in the United States.

Until 1982 Shannon and Washabaugh County, South Dakota, were the last unorganized counties in the United States.

Until September 2009, KXGN also carried selected prime-time NBC programming in its schedule, making it the last " Big 3 " affiliate to offer programming from more than one network on a single feed.

Until its retirement in 1981, the Edna G. was the last coal-fired, steam-powered tugboat in operation of the Great Lakes.

Until 2005, Lebanon was home to one of the last drive-in movie theaters in Oregon.

Until 2010, it was held annually on the last teaching day of Trinity term to celebrate the end of lectures and the beginning of Trinity Week.

Until the re-appointment to the cabinet of Lord Mandelson on 3 October 2008, the former Leader of the Lords, Lady Amos, was the last peer to sit in any other Cabinet post, as Secretary of State for International Development from May to October 2003.

Until the last minute, NS Governor Erich Koch gave orders that fleeing was illegal and punishable (" strenges Fluchtverbot "-flight strictly forbidden ).

Until his very last minute, Martí dedicated his life to achieve full independence for Cuba.

Until 2003 an Irish " Chief of the Name " was a person recognised by the Chief Herald of Ireland as the most senior known male descendant of the last inaugurated or de facto chief of that name in power in Gaelic Ireland at or before the end of the 16th century.