During the 1930s and 1940s Joseph Stalin's NKVD carried out numerous assassinations outside of the Soviet Union, such as the killings of Organization of Ukrainian Nationalists leader Yevhen Konovalets, Ignace Poretsky, Fourth International secretary Rudolf Klement, Leon Trotsky, and the Workers ' Party of Marxist Unification ( POUM ) leadership in Catalonia.

During the 1940s Haley was considered one of the top cowboy yodelers in America as " Silver Yodeling Bill Haley ".

During the 1940s and 50s the attendance was often above 40, 000, and Charlton had one of the largest support bases in the country.

During the 1940s Alston also took occasional art classes studying under Alexander Kostellow.

During the 1930s and early 1940s, Alston created illustrations for magazines such as Fortune, Mademoiselle, The New Yorker, Melody Maker and others.

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

During the 1940s The Living Theatre, Theatre of the Absurd, and the Downtown Theater movement all took root there, and it developed a reputation as a place where aspiring playwrights and emerging voices could showcase their work.

During the late 1930s and through the 1940s — the heyday of big band jazz and swing music — the guitar was an important rhythm section instrument.

During the 1940s, Cousteau is credited with improving the aqua-lung design which gave birth to the open-circuit scuba technology used today.

During the 1940s, Kirby, generally teamed with Simon, created numerous characters for that company and for the company that would become DC Comics.

During the 1940s, English knitting rose in popularity while Continental knitting fell.

During the 1940s and 1950s, critics focused on the technique of the poem and how it relates to the meaning.

During the late 1940s and into the 1950s, a production unit at Metro-Goldwyn-Mayer headed by Arthur Freed made the transition from old-fashioned musical films, whose formula had become repetitive, to something new.

During the late 1940s Jackson Pollock's radical approach to painting revolutionized the potential for all contemporary art that followed him.

During the latter half of the 1940s, Friedman began a collaboration with Anna Schwartz, an economic historian at the Bureau, that would ultimately result in the 1963 publication of a book co-authored by Friedman and Schwartz, A Monetary History of the United States, 1867 – 1960.

During this period, the logo of the club was the Beer Barrel Man, which had been used by the American Association Milwaukee Brewers since at least the 1940s.

During the 20th century the tradition was reinvigorated by Captain America and his fellow Invaders in the 1940s, who fought for the Allies of World War II.

During the 1930s and 1940s, the state passed labor laws, implemented agrarian reform, and assumed a role in modernization, influenced in part by the leadership of Juan Domingo Perón in Argentina and Getúlio Dornelles Vargas in Brazil.

During the 1930s and 1940s, Heinlein was deeply interested in Alfred Korzybski's General Semantics and attended a number of seminars on the subject.

During the early 1940s, Rickenbacker amps were sometimes repaired by Leo Fender, whose repair shop evolved into the Fender Electric Instrument Manufacturing Company.

During the 1930s and 1940s, Jews in Nazi-controlled states were made to wear yellow ribbons or stars of David, and were, along with Romas ( Gypsies ), discriminated against by the racial laws.

During the 1940s and 1950s, Frederick Terman, as dean of engineering and provost, encouraged faculty and graduates to start their own companies.

During the 1930s and 1940s, Coarsegold and Bass Lake were still populated with descendants of the miners and ranchers of the 19th century.

During the first half of the 1940s, Charteris cast Templar as a willing operative of the American government, fighting Nazi interests in the U. S. during World War II.

During most of the late 1930s and early 1940s Milligan performed as an amateur jazz vocalist and trumpeter before, during and after being called up for military service in the fight against Nazi Germany, but even then he wrote and performed comedy sketches as part of concerts to entertain troops.

During the twentieth century, Honduran military leaders frequently became presidents, either through elections or by coups d ' état.

During the period 1904 to 1922, Paraguay had fifteen presidents.

During the Council of Trent he was elected one of the council's three presidents, along with fellow cardinals Reginald Pole and Giovanni Maria Ciocchi del Monte ( the future Pope Julius III ).

During the nineteenth century, presidents had few staff resources.

During his 40 years in national politics, Webster served in the House of Representatives for 10 years ( representing New Hampshire ), in the Senate for 19 years ( representing Massachusetts ), and was appointed the Secretary of State under three presidents.

During his tenure as ambassador, he dealt with five U. S. presidents, ten secretaries of state, eleven national security advisers, sixteen sessions of Congress, and the media.

During the 1820s, Thornton was a member of the prestigious society, Columbian Institute for the Promotion of Arts and Sciences, who counted among their members former presidents Andrew Jackson and John Quincy Adams and many prominent men of the day, including well-known representatives of the military, government service, medical and other professions.

During the 19th century, a number of presidents used the White House's second-floor Yellow Oval Room as a private office or library.

During his decade there, Wythe taught many students, including the future presidents Thomas Jefferson and James Monroe ; St. George Tucker, a future justice of the Virginia Supreme Court ; and John Marshall, future Chief Justice of the US Supreme Court.

During the 1820s, Crawford was a member of the prestigious society Columbian Institute for the Promotion of Arts and Sciences, who counted among their members former presidents Andrew Jackson and John Quincy Adams and many prominent men of the day, including well-known representatives of the military, government service, medical and other professions.

During the 1820s, Wilkes was a member of the prestigious society, Columbian Institute for the Promotion of Arts and Sciences, which counted among its members former presidents Andrew Jackson and John Quincy Adams and many prominent men of the day, including well-known representatives of the military, government service, medical and other professions.

During the 1820s, Poinsett was a member of the prestigious society, Columbian Institute for the Promotion of Arts and Sciences, who counted among their members former presidents Andrew Jackson and John Quincy Adams and many prominent men of the day, including well-known representatives of the military, government service, medical and other professions.

During the 1820s, Berrien was a member of the prestigious society, Columbian Institute for the Promotion of Arts and Sciences, who counted among their members former presidents Andrew Jackson and John Quincy Adams and many prominent men of the day, including well-known representatives of the military, government service, medical and other professions.

During the 1820s, Ingham was a member of the prestigious society, Columbian Institute for the Promotion of Arts and Sciences, who counted among their members former presidents Andrew Jackson and John Quincy Adams and many prominent men of the day, including well-known representatives of the military, government service, medical and other professions.

During the 1820s, Barry was a member of the prestigious society, Columbian Institute for the Promotion of Arts and Sciences, who counted among their members former presidents Andrew Jackson and John Quincy Adams and many prominent men of the day, including well-known representatives of the military, government service, medical and other professions.

During the Mejía administration, the constitution was changed to again allow the immediate re-election of presidents.

During the 1820s, Rush was a member of the prestigious society, Columbian Institute for the Promotion of Arts and Sciences, who counted among their members former presidents Andrew Jackson and John Quincy Adams and many prominent men of the day, including well-known representatives of the military, government service, medical and other professions.

During the 1820s, Wirt was a member of the prestigious society, Columbian Institute for the Promotion of Arts and Sciences, who counted among their members former presidents Andrew Jackson and John Quincy Adams and many prominent men of the day, including well-known representatives of the military, government service, medical and other professions.

During his rule, he encouraged a free market program, participated in the Brady bonds plan to alleviate foreign debt obligations, and was a co-founder of the Mercosur, along with the presidents of Paraguay, Brazil, and Argentina, which took effect in the Treaty of Asunción on 1991.

During the second half of 1975, presidents of eight districts of the Missouri Synod were threatened with removal from office by the Preus administration for allowing their congregations to ordain Seminex graduates as ministers.

During the 1820s, Rodgers was a member of the prestigious society, Columbian Institute for the Promotion of Arts and Sciences, who counted among their members former presidents Andrew Jackson and John Quincy Adams and many prominent men of the day, including well-known representatives of the military, government service, medical and other professions.

During the 1820s, Barbour was a member of the prestigious society, Columbian Institute for the Promotion of Arts and Sciences, who counted among their members former presidents Andrew Jackson and John Quincy Adams and many prominent men of the day, including well-known representatives of the military, government service, medical and other professions.

During a tournament, players are assisted by a gazetteer which has each presidents name, birthdate, birthplace, and other basic information.

During the 1820s Brent was a member of the prestigious Columbian Institute for the Promotion of Arts and Sciences, which counted among its members former presidents Andrew Jackson and John Quincy Adams and many prominent men of the day, including well-known representatives of the military, government service, medical and other professions.