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 era of McCarthyism, Chaplin was accused of " un-American activities " as a suspected communist.

During the McCarthyism of the 1950s, a large sign was placed in the courtyard defending the artistic merit of the murals while attacking his politics as " detestable.

During the period of McCarthyism ( 1950 – 1954 ), Humphrey was accused of being " soft on Communism ", despite having been one of the founders of the anti-communist liberal organization Americans for Democratic Action, having been a staunch supporter of the Truman Administration's efforts to combat the growth of the Soviet Union, and having fought Communist political activities in Minnesota and elsewhere.

During the height of McCarthyism in 1949, the FBI first opened a domestic security investigation on Zinn ( FBI File # 100-360217 ), based on Zinn ’ s activities in what the agency considered to be communist front groups and informant reports that Zinn was an active member of the Communist Party of the United States ( CPUSA ).

During the height of what is now referred to as McCarthyism, the Screen Writers Guild gave the studios the right to omit from the screen the name of any individual who had failed to clear his name before Congress.

During Dean's tenure as Chairman, McCarthyism reached its peak.

During the 1950s it was critical of both Soviet foreign policy and domestic anti-communism, particularly McCarthyism.

During the McCarthyism of the early 1950s, editors Paul Sweezy and Leo Huberman were targeted for " subversive activities.

During this time, the Second Red Scare and fear of McCarthyism brought the culture of fear into the homes of average Americans.

During the era of McCarthyism, he asked one of his advisers, " Do you think I'd make the front pages if I joined the Communist Party?

During the 1940s and 1950s she became a liberal critic of both McCarthyism and Communism.

During the post-Phoenician era of the eighth century a palace was erected and a port was also constructed, which served the trade with the Greeks and the Levantines.

During the more recent Modern era and in the Post-Modern period the artillery crew has used wheeled or tracked vehicles as a mode of transportation.

During ancient times Aegina was a rival to Athens, the great sea power of the era.

During the Weimar era, Berlin became internationally renowned as a center of cultural transformation, at the heart of the Roaring Twenties.

During the Communist era, the army members enjoyed extensive social privileges.

During the 19th century the Liberal Party was broadly in favour of what would today be called classical liberalism: supporting laissez-faire economic policies such as free trade and minimal government interference in the economy ( this doctrine was usually termed ' Gladstonian Liberalism ' after the Victorian era Liberal Prime Minister William Ewart Gladstone ).

During Mozi's era, war and famines were common, and population growth was seen as a moral necessity for a harmonious society.

During this brief era, when China was in all respects a multi-state system, five regimes rapidly succeeded one another in control of the old Imperial heartland in northern China.

During the era after the war, later called the Pax Mongolica, adventurous Westerners such as Marco Polo travelled all the way to China and brought the first reports of its wonders to Europe.

During this era, Chinese scholars attempted to incorporate Western philosophical ideologies such as democracy, Marxism, socialism, liberalism, republicanism, and nationalism into Chinese philosophy.

During the early computer era, Chinese characters were categorized by their radicals or Pinyin ( or romanization ), but results weren't completely satisfactory.

During this era, the Cottage was used for choir singing and marching bands along with other performances, and Mass.

During the 1930-60's era, Fulham often averaged over 45, 000.

During this period, which has become known as baseball's dead-ball era, Cub infielders Joe Tinker, Johnny Evers, and Frank Chance were made famous as a double-play combination by Franklin P. Adams ' poem Baseball's Sad Lexicon.

During the era Kingdom of Serbia, six censuses were conducted starting on 1884 and the last one being in 1910.

During this era, public authorities in Massachusetts dealt with the threat primarily by means of quarantine.

During the classical era of Buddhist philosophy in India, philosophers such as Dharmakirti argue for a dualism between states of consciousness and Buddhist atoms ( the basic building blocks that make up reality ), according to " the standard interpretation " of Dharmakirti's Buddhist metaphysics.

During the plantation era, Diego Garcia was home to large herds of Sicilian Donkeys ( Equus asinus ), dozens of horses ( Equus caballus ), hundreds of dogs ( Canis familiaris ) and house cats ( Felis catus ).

During the Cold War era, the United States was keen to establish a military base in the Indian Ocean to counter Soviet influence in the region and protect the sea-lanes for oil transportation from the Middle East.

During this dark era in franchise history, the team was derisively known as the " Dead Wings " or " Dead Things ".

During Mozi's era, war and famines were common, and population growth was seen as a moral necessity for a harmonious society.

During the second era ( 7th – 9th editions, 1827 – 1901 ), the Britannica was managed by the Edinburgh publishing firm, A & C Black.

During this period and into the Jacobean era that followed, the English theatre reached its highest peaks.

During the Perestroika era, The Law on the Status of the Estonian Language was adopted in January 1989.