The U-Bahn and S-Bahn were partially operational again from 2 June 1946, fully from 16 November 1947 ( although repairs were not completed until May 1948 ) and trams by 1952.

Canada became a world leader in this field, with the NRX reactor becoming operational in 1947 ; at the time, NRX was the only operational nuclear reactor outside the United States.

Heston Aerodrome was operational between 1929 and 1947.

With the establishment of the U. S. Air Force as a separate service in 1947, Wheeler Army Air Base was re-designated Wheeler Air Force Base under the operational control of Pacific Air Forces ( PACAF ).

In 1947, the airfield opened for operational use, with the 381st Bombardment Group being assigned to the field with one squadron of B-29 Superfortresses, although the facility remained primarily a separation center.

In the reorganization that followed, the four Military areas created pursuant to EO No. 94, series 1947, were not altered substantially, but were nevertheless placed under the administrative and operational control of GHQ, AFP.

All were developed at the end of World War II for use in the Pacific theatre, though none reached operational squadrons until after VJ day, the Hornet in 1946, the Sea Hornet in 1947 and the Twin Mustang in 1948.

ETS was formed in 1947 to take over the testing activities of its founders ( whose organizations were not well suited to running operational assessment programs ), and to pursue research intended to advance educational measurement and education.

Polish II Corps (), 1943 – 1947, was a major tactical and operational unit of the Polish Armed Forces in the West during World War II.

It was announced on 1 July 1947, that both countries would have operational control of their respective armed forces by 15 August 1947.

Following his graduation from the United States Military Academy at West Point and commissioning as a Second Lieutenant in the U. S. Air Force in 1947, he subsequently completed USAF pilot training in October 1948 and then served in a variety of operational and administrative positions from 1948 to 1953.

It was activated at Bergstrom on 12 August 1947 with two squadrons of B-29s and returned to operational status flying training missions.

A small Radar squadron was assigned briefly then was moved out and the last operational combat unit, the 66th Fighter Squadron, left the airfield on 30 May 1947.

Although the Caribbean Command was designated by the Defense Department on 1 November 1947, it did not become fully operational until 10 March 1948, when the old Caribbean Defense Command was inactivated.

In 1947 it was transferred to the U. S. Air Force which continued that operational plan until the early 1960s.

Post-war, RAF Andover continued to be used for helicopter flying training and operational research, C Flight of 657 Squadron, Army Air Corps, being renamed 1901 Flight in February 1947.

Its construction started in 1947 and the line became operational on January 1, 1955.

Despite the fact that Egmore had been a part of the East India Company's possessions since 1720, it was not until the " Golden age of British rule " stretching from 1858 to 1947 that Egmore witnessed some real growth. The Egmore Museum was one of the first notable monuments to be constructed here. The construction of this famous landmark was undertaken immediately after the Sepoy Mutiny of 1857. The Connemara Library was created as an annexure housing the Museum's vast book collection and became operational in 1896.

In March 1945 all operational military aircraft left Leicester East, and the airfield was placed on Care and Maintenance until its closure on 31 December 1947.

The introduction of the Williamson amplifier in 1947, which was extremely advanced in many respects including very successful use of NFB, was a turning point in audio power amplifier design, operating a push-pull output circuit in class AB1 to give performance surpassing its contemporaries.

* Crown International, amplifier and microphone manufacturer founded in 1947

* Williamson amplifier, a type of push-pull audio amplifier with low distortion first designed in 1947

The magnetic amplifier was most prominent in power control and low-frequency signal applications from 1947 to about 1957, when the transistor began to supplant it.

In 1947, affidavits were filed with the Commission by various clear-channel stations alleging that extensive interference was being caused to the service areas of these stations during daylight hours, from class 2, stations whose signals were being reflected from the ionosphere so as to create skywave intereference.

This illusion was described in a far-sighted editorial in The New York Herald Tribune, on March 5, 1947, in connection with the submission of the satellite peace treaties to the Senate.

Failing to heed the lesson so clearly contained in the satellite treaties, President Truman re-declared the Cold War on March 12, 1947, in the Truman Doctrine, exactly one week after the Herald Tribune editorial was written, and a year after the Cold War had been announced by Churchill at Fulton, Missouri, in Truman's presence.

Now 38, Mr. Simpkins was graduated from the University of Maryland's College of Agriculture in 1947.

Pakistan was created in 1947 expressly as a Muslim state, but when the army took over eleven years later it did so on a wave of mass impatience which was directed in part against the inability of political and religious leaders to think their way through to the meaning of Islam for the modern political situation.

His father, Julius Mathison Turing ( 1873 – 1947 ), was a member of an old aristocratic family of Scottish descent who worked for the Indian Civil Service ( the ICS ).

* Independence Day, celebrates the day on which Pakistan was made an independent country based on border lines created by the British during the end of their rule of India in 1947.

In 1906, the Aga Khan was a founding member and first president of the All India Muslim League, a political party which pushed for the creation of an independent Muslim nation in the north west regions of South Asia, then under British colonial rule, and later established the country of Pakistan in 1947.

In 1947, British rule in the South Asia was replaced by the sovereign, independent nations of India, Pakistan and later Bangladesh, resulting in the migration of millions people and significant loss of life and property.

The penal colony was eventually closed on August 15, 1947 when India gained its independence.

In 1947 a major oil field was discovered near Edmonton.

The name Van Mahotsava ( the festival of trees ) originated in July 1947 after a successful tree-planting drive was undertaken in Delhi, in which national leaders like Jawaharlal Nehru, Dr Rajendra Prasad and Abdul Kalam Azad participated.

It was consolidated with other purchases as the Combined Insurance Co. of America in 1947.

It was founded in 1947 and is the world's largest and most prestigious scientific and educational computing society.

Their first hit was Brigadoon ( 1947 ), a romantic fantasy set in a mystical Scottish village, directed by Robert Lewis.

Li ' l Abner was censored for the first, but not the last time in September 1947, and was pulled from papers by Scripps-Howard.

Alphonse Gabriel " Al " Capone ( January 17, 1899 – January 25, 1947 ) was an American gangster who led a Prohibition-era crime syndicate.

In 1947, Bardot was accepted to the Conservatoire de Paris, and for three years she attended the ballet classes of Russian choreographer Boris Knyazev.

At the same time, a " gentlemen's agreement " was struck between the clubs to exclude non-white players from professional baseball, a bar that remained until 1947.

One award was presented for both leagues in 1947 and 1948 ; since 1949, the honor has been given to one player each in the National and American League.

William Frederick Schelter ( 1947 – July 30, 2001 ) was a professor of mathematics at The University of Texas at Austin and a Lisp developer and programmer.

The British wrested control of the city from the Ottomans during World War I and it was to be included in an international zone under the 1947 United Nations Partition Plan for Palestine.

In the United Nations General Assembly's 1947 resolution to partition Palestine, Bethlehem was included in the special international enclave of Jerusalem to be administered by the United Nations.