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 nineteenth century these views were protested by virtually all the Latin American writers, though ineffectively, just as the new nations of Africa and Asia protest them, with more effect, today.

* 1958 – During the Cold War, American Van Cliburn wins the inaugural International Tchaikovsky Competition in Moscow.

* 1864 – During the American Civil War, Union forces led by General William T. Sherman launch an assault on Atlanta, Georgia.

During the 1930s, the ACLU started to engage in work combating police misconduct and Native American rights.

During World War II, the ACLU defended Japanese American citizens who were forcibly relocated to internment camps.

During the 2000 Al Qaeda Summit in Kuala Lumpur, American authorities claim that immigration records show that a person named Abdulaziz al-Omari was visiting the country, although they say they are not sure that this was the same person.

During the past four hundred years, Virginia Dare has become a prominent figure in American myth and folklore, symbolizing different things to different groups of people.

During its final two years of existence, the AFL teams won upset victories over the NFL teams in Super Bowl III and IV, the former New York Jets victory was considered one of the biggest upsets in American sports history.

During the next decade ` Abdu ' l-Bahá would be in constant communication with Bahá ' ís around the world, helping them to teach the religion ; the group included May Ellis Bolles in Paris, Englishman Thomas Breakwell, American Herbert Hopper, French Hippolyte Dreyfus, Susan Moody, Lua Getsinger, and American Laura Clifford Barney.

During the American Civil War, it was the site of a prisoner-of-war camp which is now Andersonville National Historic Site.

During the rough and tumble years of the American-National struggle, player contracts were violated at the independents as well: Players that the team had developed would sign deals with the National or American leagues without any form of compensation to the indy club.

During World War II, Japanese soldiers would yell in English, " To hell with Babe Ruth ", in order to anger American soldiers.

During the American Civil War, the Union tended to name the battles after the nearest watercourse, such as the Battle of Wilsons Creek and the Battle of Stones River, whereas the Confederates favoured the nearby towns, as in the Battles of Chancellorsville and Murfreesboro.

During the first American League season in 1901, they finished last ( 8th place ) with a record of 48 – 89.

During the Labor Day weekend in 1952, The Saddlemen were renamed Bill Haley with Haley's Comets ( inspired by a popular mispronunciation of Halley's Comet ), and in 1953, Haley's recording of " Crazy Man, Crazy " ( co-written by Haley and his bass player, Marshall Lytle although Lytle would not receive credit until 2001 ) became the first rock and roll song to hit the American charts, peaking at no. 15 on Billboard and no. 11 on Cash Box.

During Selig's tenure as club president, the Brewers participated in postseason play in 1981, when the team finished first in the American League East during the second half of the season, and in 1982, when the team made it to the World Series, under the leadership of future Hall of Famers Robin Yount and Paul Molitor.

During the 1992 Barcelona and 1996 Atlanta Opening Ceremonies, Costas ' remarks on China's teams ' possible drug use caused an uproar among the American Chinese and international communities.

During the 1970s, he made guest-appearances on TV series such as Ironside, Insight, Barbary Coast, The Love Boat, Medical Center, four episodes of Love, American Style, Fantasy Island, and two episodes each of The Streets of San Francisco, and Rod Serling's Night Gallery.

During the late 19th century European and American companies introduced railways to carry to the ports the local production of raw materials intended for exports and also imports from Europe.

During the mid-18th century, the area was inhabited by a Native American tribe known as the Potawatomi, who had taken the place of the Miami and Sauk and Fox peoples.

During the Battle of the Bulge, however, the fuses became known as the American artillery's " Christmas present " for the German army because of their effectiveness against German personnel in the open, when they frequently dispersed attacks.

During the American Civil War, some Maritimers emigrated to the United States to volunteer for the armies of the Union or the Confederacy.

During the 1970s, a growing number of Canadian stations pushed American channels off the systems, forcing several to expand beyond the original 12-channel system configurations.

During the American Civil War of 1861 – 1865, some soldiers pinned paper notes with their name and home address to the backs of their coats.