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 the third and final lunar excursion of the mission, astronauts Young and Duke were to explore North Ray Crater, the largest of any of the craters any Apollo expedition had visited.

During the show's run, Bixby invited two of his long-time friends, Ray Walston and Brandon Cruz, to guest star with him in different episodes of the series.

During a visit to Australia in 1958, a similar special was made for the Australian Broadcasting Commission, " The Gladys Half-Hour ", which also featured local actors Ray Barrett, and John Bluthal, who would appear in several later Milligan projects.

During recording of the album session bassist Larry Knechtel was present on some of the songs, while on stage Ray Manzarek used a left-handed keyboard bass.

During the summer of 1956, Jones and Tisby were briefly out of the group, and were replaced by Ray Brewster and Teddy Harper, respectively.

During his tenure, he interviewed such luminaries as John Carpenter, Neil Gaiman, Ray Bradbury, Harlan Ellison and other writers, producers, actors and directors.

During the Battle of Naboo, Qui-Gon is mortally wounded by the Sith Lord Darth Maul ( Ray Park / Peter Serafinowicz ).

During the Sassanid era, Yazdegerd III in 641 issued from Ray his last appeal to the nation before fleeing to Khorasan.

During his career as an artist, Man Ray allowed few details of his early life or family background to be known to the public.

During one speculative moment, he tells Ray that at some point in the game when he can no longer go on, he may simply sit down and wait to die.

During this period a wave of acts also came from New Zealand, including Ray Columbus & the Invaders, Max Merritt & The Meteors, Dinah Lee, Larry's Rebels and The La De Das.

During the 1970s, the Bulls were known as a tough, defensive-minded team, built around hard-nosed defender Jerry Sloan, forwards Bob Love and Chet Walker, point guard Norm Van Lier, and centers Clifford Ray and Tom Boerwinkle.

During the 1950s and 1960s, Farley Farm became a sort of artistic Mecca for visiting artists such as Picasso, Man Ray, Henry Moore, Eileen Agar, Jean Dubuffet, Dorothea Tanning, and Max Ernst.

During the 1910 Memorial Day weekend, the first events on the newly paved circuit drew 60, 000 spectators ; Ray Harroun won the Wheeler-Schebler Trophy in a Marmon.

During downtime, the four started playing around with a bluesy little organ ditty reminiscent of Ray Charles.

During 2005, Smith made her Hollywood debut, playing Angela LaSalle in Cyxork 7, where she acted alongside Ray Wise ; although Smith recently lives in the United States and appeared in a Hollywood film, she still wants to remain more in the Spanish media of the country because the Spanish media opened opportunities for her to fame.

During his wife's decline, Sandwich started an affair with the talented opera singer Martha Ray.

During their relationship, Ray bore him at least five and perhaps as many as nine children, including Basil Montagu ( 1770 – 1851 ), writer, jurist and philanthropist Tragedy was to strike again in April 1779 when Ray was murdered in the foyer of the Royal Opera House at Covent Garden by a jealous suitor, James Hackman, Rector of Wiveton.

During 1965 and 1966, Cade, together with his team of research doctors Dana Shires, James Free, and Alejandro M. de Quesada, conducted a series of trial-and-error experiments with his glucose-and-electrolytes rehydration drink on members of the Gators football team of coach Ray Graves, first with members of the freshman squad, and after initially promising results, with starting members of the varsity team.

During his career Boycott frequently clashed with other strong personalities at the club, including Fred Trueman, Brian Close and Ray Illingworth, but remained popular with the Yorkshire crowds.

During the early-to-middle part of the decade, several recordings were influenced by the popularity of line dancing, including " Boot-Scootin ' Boogie " by Brooks & Dunn and " Achy Breaky Heart " by Billy Ray Cyrus.

During 1990-1993 the " Legendary Oscar Peterson Trio " reunited, with Oscar Peterson, Herb Ellis and Ray Brown, with either Bobby Durham or Jeff Hamilton added on drums.

During its run, the list of authors interviewed became increasingly prestigious, including Clive Barker, Ray Bradbury, David Brin, Charles de Lint, Harlan Ellison, William Gibson, Frederik Pohl, Terry Pratchett, Anne Rice, Spider Robinson, and Robert J. Sawyer, who was the most frequent guest on the program.