Until late last Saturday afternoon Palmer had played seven consecutive rounds of golf at the Masters -- four last year and three this -- without ever being out of first place.

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 mid 1990s the tariff was decided by the FINA diving committee, and divers could only select from the range of dives in the published tariff table.

Until better out-of-band signaling equipment was developed in the 1990s, fast, unacknowledged, and loud DTMF tone sequences could be heard during the commercial breaks of cable channels in the United States and elsewhere.

Until the 1990s, child-sized double basses were not widely available, and the large size of the bass meant that children were not able to start playing the instrument until their hand size and height would allow them to play a 3 / 4-size model ( the most commonly available size ).

Until the 1990s, economists generally agreed that raising the minimum wage reduced employment.

Until the early 1990s, the Chilean wine industry mistakenly sold a large quantity of wine made from the Carmenere grape as Merlot.

Until the early 1990s, the PLA Navy performed a subordinate role to the PLA Ground Force.

Until the arrival of digital technology in the early 1990s, a split screen was accomplished by using an optical printer to combine two or more actions filmed separately by copying them onto the same negative, called the composite.

Until the early 1990s locals filled water cisterns from the rain that fell on roofs and courts, from small springs, and with imported assistance from other areas of Greece.

Until the 1990s they were mainly used for satellite stabilization in North-South and in East-West directions.

* Until the late 1990s, the cost of digital signal processors for DSL was prohibitive.

Until the 1990s systems design had a crucial and respected role in the data processing industry.

Until the 1990s being an open relay was a common configuration for a mail server and was often the default on UNIX systems at installation.

Until late 1990s, CPU s in desktop computers did not have much support for multithreading, although threads were still used on such computers because switching between threads was generally still quicker than full process context switches.

Until the early 1990s, most Fox stations were still essentially independents.

Until the 1990s, the toys were seldom numbered at all, which can make identification difficult ( although some early toys, especially hand-painted figurines, have a Ferrero mark ).

Until the early 1990s, it was widely believed that general relativity hides every singularity behind an event horizon, making naked singularities impossible.

Until the late 1990s, most of Inner Mongolia's prefectural regions were known as Leagues (), a usage retained from Mongol divisions of the Qing Dynasty.

Until the mid 1990s, Yangon remained largely constrained to its traditional peninsula setting between the Bago, Yangon and Hlaing rivers.

Until the 1990s, there was a 30 million year gap in the fossil record between the late Devonian tetrapods and the reappearance of tetrapod fossils in recognizable mid-Carboniferous amphibian lineages.

Until the end of the 1990s, political life in Omsk was defined by an ongoing feud between the oblast and city authorities.

Until recently, art exhibitions deemed controversial have been routinely shut down by police, and performance artists in particular faced the threat of arrest in the early 1990s.

Until the 1990s, the government actively stated that the ROC is the only legitimate " One China " while the PRC is illegitimate.

Until the 1990s, there was only one game televised each Saturday night in any particular locality and up to 1968, regular season games were still not broadcast in their entirety.

Until the 1990s, the refrigerants were often chlorofluorocarbons such as R-12 ( dichlorodifluoromethane ), one in a class of several refrigerants using the brand name Freon, a trademark of DuPont.