Until 1950 this field was called " radio technology " because its principal application was the design and theory of radio transmitters, receivers and vacuum tubes.

Until the age of three, he lived principally with his grandparents, Kateřina Kiliánová ( née Bartlová )( d. 1950 ) and Tomáš Kilián ( d. 1925, a descendant of a French soldier injured at the battle of Austerlitz, on the outskirts of Brno ), in Brno while his mother worked in Polná as an assistant book-keeper in the town's brewery.

Until 1950, blacks had made up about 5 % of the population, with little variation.

to the 1980s, Until 1950 the Baltimore and Annapolis Railroad provided both passenger and freight service from Annapolis to Baltimore ; passenger service ended in February 1950 due to increased competition from buses and private automobiles, but freight service continued until Hurricane Agnes did so much damage to a trestle crossing the Severn River in Annapolis that the trestle was condemned for use by trains by the Army Corps of Engineers in the late 1960s ( The trestle remained as a haven for fishermen and crabbers until it was dismantled ).

Until the 1940s Killeen remained a relatively small and isolated farm trade center, but this changed drastically after 1942, when Camp Hood ( re-commissioned as Fort Hood in 1950 ) was created as a military training post to meet the demands of the Second World War.

Until 1957, screen credits were very sparse, listing only the writer ( until 1950, solely John Foster, then Tom Morrison thereafter ), director ( Terry's three main directors were Connie Rasinski, Eddie Donnelly and Mannie Davis ), and musician.

Until on 9 September 1922, when Greece lost Smyrna to Turkey, it had a Greek High Commissioner ( 21 May 1919 – 8 September 1922 ): Aristeidis Stergiadis ( b. 1861 – d. 1950 )

Until 1950, she also worked in the same theatre in other plays by Aldous Huxley, Arthur Miller, Philip Jordan and André Roussin.

Until around 1950 the airline terminal was at 42. 367N 71. 0275W ; on the 1946 topo map the airfield extended less than 5000 ft east from there ( the east end of the field was at 42. 361N 71. 012W NAD83 ).

Until 1950, each judeţ was divided into a number of plăşi ( singular plasă ), each administered by a pretor ( from the Latin praetor ), appointed by the prefect.

Until about 1950 it meant " weakly inaccessible cardinal ", but since then it usually means " strongly inaccessible cardinal ".

Until 1950 he presided over a coalition of CDU, Centre Party, SPD and ( shortly ) the Communist Party.

Until 1950 the Grand Canal Company had ownership of the canal, when the Transport Act, 1950 transferred the canal to Córas Iompair Éireann.

Until 1950, when the city was declared, was a common Agnita fair ( Marktgemeinde ).

Until 1950, the village was served by Wetwang railway station, on the Malton to Driffield line, but this line has now closed.

Until the opening of the Canberra Theatre Centre in 1965, the Albert Hall was home to a large number of prominent organisations, including the Canberra Orchestral Society ( later the Canberra Symphony Orchestra ) founded in 1950, a new Canberra Philharmonic Society ( for musical theatre, 1951 ) and the Canberra Choral Society ( 1952 ).

Until about 1950, when large numbers of Italians, Germans and other European Catholics arrived, the Catholic Church in Australia was overwhelmingly Irish in its ethos.

Until September 1950, it was also simulcast on radio.

Until 1950, they arranged for 100 birds to be maintained by a civilian pigeon fancier in order to prepare countermeasures.

Until shortly after 1950, they left the land almost entirely undeveloped, allowing it to be used as a Boy Scout camp.

Until 1950, the BMT Lexington Avenue Line served Lexington Avenue in the neighborhood.

Until 1950, parties were held there during the July 1 celebrations.

Until the 17th century, art referred to any skill or mastery and was not differentiated from crafts or sciences, but in modern usage the fine arts, where aesthetic considerations are paramount, are distinguished from acquired skills in general, and the decorative or applied arts.

Until modern times there was no clear distinction between the architect and engineer.

Until modern times, precious metals such as gold or silver typically were used to retain the commodity nature of the store of value function of money.

Until his death in 1848, Muhammad Ali Pasha instituted a number of social and economic reforms that earned him the title of founder of modern Egypt.

Until modern times, nitrogen fixation was the major source of nitrogen for ecosystems.

Until 1902, a possible enclave of Dorset people or Sadlermiut ( in modern Inuktitut spelling Sallirmiut ) existed on Southampton Island.

Until the modern era lullabies were usually only recorded incidentally in written sources.

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 modern times, the form of government for almost all states was monarchy.

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

Until 1060 the kings of Uppsala ruled most of modern Sweden except the southern and western coastal regions, which remained under Danish rule until the 17th century.

Until 1990, Albania was one of the world's most isolated and controlled countries, and installation and maintenance of a modern system of international and domestic telecommunications was precluded.

Until the 17th century, the Ruthenian language, the predecessor of modern Belarusian, was used in Grand Duchy as a chancery language, that is the language used for official documents.

Until the advent of light weight modern sailcloth and modern sail handling systems, the larger sails of a sloop were somewhat of a disadvantage.

Until the 18th Century, prisoners were housed in the towers of the medieval and early modern fortifications store.

Until the modern era, smoking was of a more " heavy duty " nature as the main goal was to preserve the food.

Until modern times, cloves grew only on a few islands in the Maluku Islands ( historically called the Spice Islands ), including Bacan, Makian, Moti, Ternate, and Tidore.

Until Kenyan independence in 1963, the fastest and most modern ferry,, was designated a Royal Mail Ship.

Until the early modern period, the two remained separate cities: Clermont, an episcopal city ; Montferrand, a comital one.

Until 1863, the Spartans simply visited loved ones in the military and delivered the equivalent of modern day care packages.

Until 1975 it formed part of the county of Renfrewshire for local government purposes along with the modern council areas of Renfrewshire and Inverclyde.

Until 2003, Tate Liverpool was the largest gallery of modern and contemporary art in the UK outside of London.

Until 1878 Bulgarian was influenced lexically by medieval and modern Greek, and to a much lesser extent, by Turkish.

Until 1980 secondary modern education was provided by schools in the town itself ; and grammar school education by Hyde Grammar School.