Although this can be seen as social commentary, Chaplin's films did not contain overt political themes or messages until later on his career in the 1930s.

Although Latin Jazz is most popularly associated with artists from the Caribbean ( particularly Cuba ) and Brazil, young Mexican Americans have played a role in its development over the years, going back to the 1930s and early 1940s, the era of the zoot suit, when young Mexican American musicians in Los Angeles and San Jose began to experiment with banda, a Jazz-like Mexican music that has grown recently in popularity among Mexican Americans such as Jenni Rivera.

Although many naturalists have studied aspects of animal behaviour throughout history, the modern discipline of ethology is generally considered to have begun during the 1930s with the work of Dutch biologist Nikolaas Tinbergen and Austrian biologists Konrad Lorenz and Karl von Frisch, joint winners of the 1973 Nobel Prize in Physiology or Medicine.

Although " posterity has treated Maurice Evans less kindly ", throughout the 1930s and 1940s he was regarded by many as the leading interpreter of Shakespeare in the United States and in the 1938 / 9 season he presented Broadway's first uncut Hamlet, running four and a half hours.

Although guano digging continued on Malden through the early 1920s, all human activity on the island had ceased by the early 1930s.

Although the Washington team endured long bouts of mediocrity ( immortalized in the 1955 Broadway musical Damn Yankees ), they had a period of prolonged success in the 1920s and 1930s, led by Hall-of-Famers Bucky Harris, Goose Goslin, Sam Rice, Heinie Manush, Joe Cronin, and above all Walter Johnson.

Although the concept of information society has been under discussion since the 1930s, in the modern world it is almost always applied to the manner in which information technologies have impacted society and culture.

Although the form, usually in quarter-hour episodes, proliferated widely in the middle and late 1930s, they all had the same basic premise: that characters " fell into two categories: 1 ) those in trouble and 2 ) those who helped people in trouble.

Although Moran suffered a heavy blow, he still managed to keep control of his territory until the early 1930s, when control passed to the Chicago Outfit under Frank Nitti, who had taken control of the Capone organization after Capone's conviction for income tax evasion.

Although Imperial Airways and Pan-American World Airways both began flying to Bermuda in the 1930s ( by which time the summer had become more important for tourists making briefer visits ), it wasn't until after the Second World War, when the first airport for landplanes was built, and the advent of the Jet Age that tourism really realised its potential.

Although he had only two years of undergraduate college on his transcript, in the 1930s that was enough to qualify for law school.

Although the peanut was mainly a garden crop for much of the colonial period of North America, it was mostly used as animal feed stock until the 1930s.

Although they were close friends, Ford declined to use Wayne in any of his projects during the 1930s, telling him to wait until he was " ready " as an actor.

Although Miller had little or no money the first year in Paris, things began to change with the meeting of Anaïs Nin who, with Hugh Guiler, would go on to pay his entire way through the 1930s including the rent for the beautiful and modern apartment at 18, villa Seurat.

Although her domestic popularity was undiminished through the early 1930s, high profits from her films after Queen Christina in 1933 depended on the foreign market.

Although designed in the 1930s, the Beetle was only produced in significant numbers from 1945 on, when the model was internally designated the Volkswagen Type 1, and marketed simply as the " Volkswagen ".

Although never a member, Gollancz was closely allied to the Communist Party during the second half of the 1930s.

Although von Neumann's projection postulate is often presented as a normative description of quantum measurement, it was conceived by taking into account experimental evidence available during the 1930s ( in particular the Compton-Simon experiment has been paradigmatic ), and many important present-day measurement procedures do not satisfy it ( so-called measurements of the second kind ).

Although the review compared Fleming in unflattering terms to the crime fiction writer of the 1930s and 1940s, Peter Cheyney, it concluded that From Russia, with Love was " exciting enough of its kind.

Although some politicians across the political spectrum had advocated strengthening the country's defense capabilities, a longstanding policy of disarmament following World War I had left the Norwegian military underfunded and undertrained by the late 1930s.

Although inequalities persisted under the Third Republic, the cultural changes that followed World War I allowed the differences in the treatment of men and women in France to gradually narrow, with some women assuming political responsibilities as early as the 1930s.

Although Warner Bros. maintained a high rate of production throughout the 1930s, some pictures showed an uneven quality that reflected " not only the difficulty of shifting to a supervisory system but also the consequences of dispersing authority into the creative ranks ".

Although partly built over, including by the M1 motorway, most of the old track bed has become a footpath, and decaying 1930s concrete infrastructure, never used, can still be seen.

Although Spanish pop music is currently flourishing, the industry suffered for many years under Francisco Franco's regime, with few outlets for Spanish performers during the 1930s through the 1970s.

Although he is known today for his performances in Singin ' in the Rain and An American in Paris, he was a dominant force in Hollywood musical films from the mid 1940s until this art form fell out of fashion in the late 1950s.

Although plans to raise the school leaving age to 15 in the 1940s were never ratified, increasing numbers stayed on beyond elementary education and it was eventually raised to 16 in 1973.

Although the earliest guitars used in jazz were acoustic and acoustic guitars are still sometimes used in jazz, most jazz guitarists since the 1940s have performed on an electrically amplified guitar or electric guitar.

Although methods for developing color photos were available as early as 1861, they did not become widely available until the 1940s or 50s, and even so, until the 1960s most photographs were taken in black and white.

; Metal laminates: Although a number of companies had experimented with all-aluminum skis in the 1940s, none of these proved practical.

Although a telephone cable was discussed at that time, it was not practical until a number of technological advances arrived in the 1940s.

Although the 1940s was a decade dominated by World War II, important and noteworthy films about a wide variety of subjects were made during that era.

Although a telephone cable was discussed starting in the 1920s, to be practical it needed a number of technological advances which did not arrive until the 1940s.

Although X-rays have been observed emanating from the Sun since the 1940s, the discovery in 1962 of the first cosmic X-ray source was a surprise.

Although the development of mathematical logic had made applications to algebra possible, they came about slowly ; results published by Anatoly Maltsev in the 1940s went unnoticed because of the war.

Although the comic started in the 1940s, it has changed over the years to stay current with the times, said writer and artist Dan Parent.

Although she was offered many roles in the 1940s and throughout her life, she rejected all but a few of them.

Although they have since changed considerably, movie monsters did not entirely disappear from the big screen as they did in the late 1940s.

Although the G-Spot has been studied since the 1940s, disagreement persists over its existence as a distinct structure, definition and location.

Although there were some prominent players like Harold Bray, Keith Drinan, Peter Bennett and later Neil Roberts, St Kilda were rarely competitive in the 1940s.

Although some of the major structures, including several hotels and a boardwalk, were lost to storms in the 1940s, a large portion of the town retains its Victorian and Edwardian character.

Although most homes on the island were destroyed in the 1940s, Hurricane Hugo spared the island in 1989.

Although the rugged American patriotism of his works of the 1930s and 1940s is reflected in his research into and use of folk music ( and to a lesser extent of jazz rhythms ), Harris was paradoxically obsessed with the great European pre-classical forms, especially the fugue ( which we hear in the Third Symphony ) and passacaglia ( as featured in the Seventh ).

Although some of the films she made in the UK during the 1940s and 1950s were B-films, she worked with Anthony Newley in Vice Versa ( directed by Peter Ustinov ) and Alec Guinness in The Card as well as the aforementioned I Know Where I'm Going!

Although these were styled much like the typical 1940s sedan, they incorporated an innovative split rear tailgate, folding rear seats and no separate trunk.

Although other similar inventions preceded it going back to the late 1940s, the first artificial heart to be successfully implanted in a human was the Jarvik-7, designed by Robert Jarvik and implemented in 1982.