During the 1950s there were as many as 25,000 schools in the Congo.

During the early 1950s the board was divided on whether to defend communists persecuted under McCarthyism.

During the late 1950s it was sought by two rail historians, George Horn and Martin Schachne, but they did not gain access to the tunnel itself.

During the 1950s, the National Football League had grown to rival Major League Baseball as one of the most popular professional sports leagues in the United States.

During the 1950s, however, Graham began distancing himself from the older fundamentalism and, in preparation for his 1957 New York Crusade, he sought broad ecumenical sponsorship.

During his early journalism career, Marker became increasingly interested in filmmaking and experimented with photography in the early 1950s.

During the 1940s and 1950s, Casablanca was a major centre of anti-French rioting.

During the late 1950s and early 1960s Brubeck canceled several concerts because the club owners or hall managers continued to resist the idea of an integrated band on their stages.

During the 1950s, Kaye visited Australia, where he played " Buttons " in a production of Cinderella in Sydney.

During World War II and through the 1950s, high frequency (" short wave ") radio was widely used for military and diplomatic communication, and could be intercepted at great distances.

During the 1950s and 1960s, Peter van de Kamp of Swarthmore College made another prominent series of detection claims, this time for planets orbiting Barnard's Star.

During the 1950s, 1960s and 1970s, several events occurred which raised the public awareness of harm to the environment caused by man.

During the 1950s and 1960s, the electric guitar became the most important instrument in pop music.

During Japanese cinema's ' Golden Age ' of the 1950s, successful films included Rashomon ( 1950 ), Seven Samurai ( 1954 ) and The Hidden Fortress ( 1958 ) by Akira Kurosawa, as well as Yasujirō Ozu's Tokyo Story ( 1953 ) and Ishirō Honda's Godzilla ( 1954 ).

During Indian cinema's ' Golden Age ' of the 1950s, it was producing 200 films annually, while Indian independent films gained greater recognition through international film festivals.

During the 1950s and 60s, Afghanistan was able to use the Russian and American need for allies during the Cold War as a way to receive economic assistance from both countries.

During his career as a director, he retained an early ambition to teach science, and after his career declined in the 1950s he made some educational TV films related to science subjects.

During World War II, the urgent need for cheap, available food preservatives led to it being used again, but it was finally banned in the 1950s.

During the 1950s, when the independence of Ghana was in sight, demands grew for a separate Ewe state, an idea that Kwame Nkrumah, leader of the Gold Coast independence movement, opposed.

During the early 1950s, Groucho described his perfect woman: “ Someone who looks like Marilyn Monroe and talks like George S. Kaufman .”

During the late 1950s, high-stakes games such as Twenty One and The $ 64, 000 Question began a rapid rise in popularity.

During the 1950s — as a result of these improvements and the strong international export prices — beef, cotton, and coffee became significant export products for the first time.

During the later 1950s, Great Britain emerged as a producer of horror films.

During the 1950s, Holden dominated the Australian car market.

During the 1950s and 1960s the skyline of London altered dramatically as tower blocks were erected, although these later proved unpopular.

During a memorial address in remembrance of Senator Alger, Senator John Spooner of Wisconsin said of the late senator: " No man without noble purpose, well-justified ambitions, strong fiber, and splendid qualities in abundance could have carved out and left behind him such a career.

During the first act, Spooner claims to be a fellow poet and to have known his more illustrious literary host and mutual acquaintances and relationships in the past.

During Act Two, in his increasingly inebriated state, Hirst may mistake or feign recognition of Spooner as an Oxbridge classmate from the 1930s, an apparently false impression which Spooner nevertheless encourages ( 68 – 78 ), leading both of them into a series of increasingly questionable reminiscences, which Hirst finally and abruptly undercuts: " This is outrageous!

During the design of a new town hall for Kuala Lumpur in the late 19th century, C. E. Spooner, then State Engineer of the Public Works Department, favoured a " Mahometan style " over a neoclassical one to reflect Islamic mores in the region, instructing architect Charles Norman, who was further assisted by R. A. J. Bidwell, to redesign the building.

During the next few years, Prinknash Park, so called, was used as a home, until it was returned to the order.

During this race, Earnhardt was briefly forced into the infield grass, but kept control of his car and returned to the track without giving up his lead — a maneuver now referred to as the " Pass in the Grass " even though Earnhardt actually didn't pass and couldn't have passed anyone for position as he was in the lead at the time.

During his time in Canada, Sapir also acted as an advocate for Indigenous rights, arguing publicly for introduction of better medical care for Indigenous communities, and assisting the Six Nation Iroquois in trying to recover eleven wampum belts that had been stolen from the reservation and were on display in the museum of the University of Pennsylvania, the belts were only returned to the Iroquois in 1988.

During this period, several game shows returned to daytime in syndication ( e. g., Family Feud, Hollywood Squares, and Millionaire ).

During the first part of the trip, Lönnrot returned to Akonlahti in Russian Karelia, where he gathered 80 poems and a total of 800 verses.

During the same time two Cessna 337s and two DHC-5 Buffalo STOL transports were supplied in 1977-78 with one DHC-5 crashing almost immediately and the other being returned to De Havilland Canada in 1979.

To eliminate any possible doubts, Nichiren decided to spend some time at Mount Kōya, the centre of esoteric Buddhism, and also in Nara, Japan ’ s ancient capital, where he studied the Ritsu sect, which emphasized strict monastic discipline and ordination. During this time, he became convinced of the pre-eminence of the Lotus Sutra and in 1253, returned to Seichoji.

During an invasion the Avars swept off the five sons of this warrior into Pannonia, but one, his namesake, returned to Italy and restored the ruined fortunes of his house.

During World War I, Prokofiev returned to the Conservatory.

During this period 120 men were taken from Fetlar alone and only 20 of them returned home.

During the First Crusade Stephen-Henry had acquired an unfortunate reputation for cowardice, and he returned to the Levant again in 1101 to rebuild his reputation where he was killed at the battle of Ramlah.

During court sessions in the county seat of Fort Edward, she returned to Sherrill's Coffee House in Sandy Hill ( now Hudson Falls ) to earn some extra money.

During the first half of the 1980s, the yen failed to rise in value even though current account surpluses returned and grew quickly.

During his time in college, Betty returned to live with her parents and took a job at the Indiana Bell Telephone Company while he worked part time as a cook at a local restaurant.

During the Great Schism ( 1378 – 1415 ) the antipopes Clement VII and Benedict XIII returned to reside at Avignon.

During each cycle of the AC voltage, extra energy, in addition to any energy consumed in the load, is temporarily stored in the load in electric or magnetic fields, and then returned to the power grid a fraction of a second later in the cycle.

During the 2008 United States presidential election, Eastwood stated that he would be voting for John McCain, citing the fact that he had known McCain since he returned to America in 1973 as a recently released POW.

During the period of Argentine military dictatorship from 1976 to 1983, Piazzolla lived in Italy, but returned many times to Argentina, recorded there, and on at least one occasion had lunch with the dictator Jorge Rafael Videla.

During its 322 Earth days of operations, Lunokhod 1 traveled 10. 5 km and returned more than 20, 000 TV images and 206 high-resolution panoramas.

During its 322 Earth days of operations, Lunokhod travelled 10, 540 metres ( 6. 55 miles ) and returned more than 20, 000 TV images and 206 high-resolution panoramas.

During that hiatus, it is likely that they received valuable information from a secret agent, Pêro da Covilhã, who had been sent overland to India and returned with reports useful to their navigators.

During this period, Vivekananda returned to Baranagar Math a few times, because of ill health and to arrange for monetary funds after Balaram Bose and Suresh Chandra Mitra, the disciples of Ramakrishna who sponsored the Math had died.

During World War II he lived in Vence, then returned to Cimiez, where he died and is buried.

During July 1919 he returned from the Rhineland to London and to civilian life.

During the reign of her husband, Marie Antoinette used many French Crown Jewels for personal adornment by having the individual gems placed into new settings and combinations, but the French Blue remained in this pendant except for a brief time in 1787, when the stone was removed for scientific study by Mathurin Jacques Brisson and returned to its setting soon thereafter.