During the 1920s, the ACLU expanded its scope to also include protecting the free speech rights of artists and striking workers, and working with the National Association for the Advancement of Colored People ( NAACP ) to combat racism.

During the early 1920s, he and his father-in-law developed the Stockade Building System for producing light-weight, weatherproof, and fireproof housing — although the company would ultimately fail.

During the 1920s her only paid work was as a columnist for feminist journals, notably Equal Rights and Time and Tide.

During the late 1920s and early 1930s Eisenhower's career in the post war army stalled somewhat, as military priorities diminished ; many of his friends resigned for high-paying business jobs.

During the 1920s and 1930s destroyers were often deployed to areas of diplomatic tension or humanitarian disaster.

During the 1920s, Afghanistan established diplomatic relations with most major countries.

During the 1920s writers such as Clare Winger Harris and Gertrude Barrows Bennett published science fiction stories written from female perspectives and occasionally dealt with gender and sexuality based topics.

During the 1920s and 1930s, Aimee Semple McPherson was a controversial faith healer of growing popularity during the Great Depression.

During the 1920s, women organized and participated in gymnastics events.

During the 1920s, several improvements were put in place, such as a new 74 cubic inch ( 1, 200 cc ) V-Twin, introduced in 1922, and the " Teardrop " gas tank in 1925.

During the US bull market of the 1920s, there were numerous such vehicles offered privately to wealthy investors.

During the 1920s, Kyrgyzstan saw considerable cultural, educational, and social change.

During the 1920s, Wimsey had affairs with various women, which were the subject of much gossip in Britain and Europe.

During the 1920s the Hubbards repeatedly relocated around the United States and overseas.

During the second half of the 1920s, France, Britain and Germany were all using the League of Nations as the focus of their diplomatic activity, and each of their foreign secretaries attended League meetings at Geneva during this period.

During the late 1920s, ' 30s, and ' 40s, Bertrand Russell and Ludwig Wittgenstein's formalism was developed by a group of philosophers in Vienna and Berlin, who formed the Vienna Circle and Berlin Circle into a doctrine known as logical positivism ( or logical empiricism ).

During the 1920s, the experiments pioneered by Michelson were repeated by Dayton Miller, who publicly proclaimed positive results on several occasions, although not large enough to be consistent with any known aether theory.

During the 1920s and the 1930s, Stalin fought and defeated the political influence of Leon Trotsky and of the Trotskyists in Russia, by means of slander, anti-Semitism, programmed censorship, expulsions, exile ( internal and external ), and imprisonment.

During the 1920s his short subjects were in much demand, with stars like Billy Bevan, Andy Clyde, Harry Gribbon, Vernon Dent, Alice Day, Ralph Graves, Charlie Murray, and Harry Langdon.

During the Civil War the commander cadres were trained at the Nicholas General Staff Academy of the Russian Empire, which became the Frunze Military Academy in the 1920s.

During the 1920s, Afghanistan established diplomatic relations with most major countries.

During the 1920s and early ' 30s, The Saint is fighting European arms dealers, drug runners, and white slavers while based in his London home.

During the 1920s and 1930s there were some successful movements for self-determination in the beginnings of the process of decolonization.

During the 1920s, he first started to systematize and extend the Bahá ' í administration throughout the world where there existed Bahá ' í communities ; because the Bahá ' í community was relatively small and undeveloped when he assumed the leadership of the religion, he strengthened and developed it over many years to the point where it was capable of supporting the administrative structure envisioned by ` Abdu ' l-Bahá.

During the Triassic Period (), the reptiles began to out-compete the amphibians, leading to a reduction in both the amphibians ' size and their importance in the biosphere.

During the Middle Ages, Aachen remained a city of regional importance, due to its proximity to Flanders, achieving a modest position in the trade in woollen cloths, favoured by imperial privilege.

During the Hellenistic period, the town was of some mercantile importance, although by the first century it had dwindled greatly in size and significance.

During the 14th century, under the Merinids, Anfa rose in importance as a port.

During this period Pissarro began to understand and appreciate the importance of expressing on canvas the beauties of nature without adulteration.

During these many centuries Bahrain was a trading post whose importance fluctuated depending on which empire dominated.

During the late Middle Ages it was an independent commune with considerable importance owing to its location on the old Via Francigena, the main road between France and Rome, but increasingly Montalcino came under the sway of the larger and more aggressive city of Siena.

During the 16th and 17th centuries, at the height of the Empire, no other region would prove of more strategic and economic importance.

During the Roman period, the town's importance declined with the foundation of nearby Portus Luguidonis.

During the Spanish colonial period, Spaniards developed a complex caste system based on race, which was used for social control and which also determined a person ’ s importance in society.

During the 10th century and onwards, cities and towns gained more importance and power, as commerce reappeared and the population kept growing.

During the later periods of Roman history, sun worship gained in importance and ultimately led to what has been called a “ solar monotheism .” Nearly all the gods of the period were possessed of solar qualities.

During the Roman era, the strategic position of the town contributed to its importance.

During the Crisis of the Third Century, when trade declined precipitously, Leptis Magna's importance also fell into a decline, and by the middle of the fourth century, large parts of the city had been abandoned.

During the Ottoman period, Trabzon, because of the importance of its port, became a focal point of trade to Iran and the Caucasus.

During this extensive period their historical importance began to become clearer.

During the period of the Visigothic Kingdom, the region lost its importance.

During the 4th century, Aquileia maintained its importance.

During occasional ceremonies of particular importance, the side walls are covered with a series of tapestries, the originals of which were designed for the chapel by Raphael and depict events from the Life of St. Peter and the Life of St. Paul as described in the Gospels and the Acts of the Apostles: the full-size preparatory cartoons for seven of the ten tapestries are known as the Raphael Cartoons and are in London.

During the seminars, patients provided testimonials of their experiences and presenters stressed the importance of recovering memories in order to heal.

During this time EIJ became more extreme, with for example, Dr. Fadl emphasizing the importance of takfir and execution of apostates, which he argued should include those who registered to vote, since this was a violation of God's sovereignty over governance.

During the Roman age Tibur maintained a certain importance, being on the way ( the Via Tiburtina, extended as the Via Valeria ) that Romans had to follow to cross the mountain regions of the Apennines towards the Abruzzo, the region where lived some of its fiercest enemies such as Volsci, Sabini and Samnites.

During those years many painters, professors and the public in general came to realize the specific importance that Palenville had held to many writers, poets, painters, playwrights, inventors, photographers and even early movie actors and movie makers-yes Mary Pickford, for one, made several movies in Palenville.

During the American Revolution, Yorktown was of strategic importance, with the Pines Bridge crossing guarded by a regiment of Rhode Island troops made up mostly of African Americans who were massacred at the Davenport House in Croton Heights.