By the 1920s, each state in the United States had passed public laws that stipulated a certain day to be Arbor Day or Arbor and Bird Day observance.

By the late 1920s Potter and her Hill Top farm manager Tom Storey had made a name for their prize-winning Herdwick flock.

By the 1920s, composers of Tin Pan Alley and Broadway used ballad to signify a slow, sentimental tune or love song, often written in a fairly standardized form ( see below ).

By the late 1920s, New York writers other than Fitz Gerald were starting to use " Big Apple " and were using it outside of a horse-racing context.

By the 1920s, the emerging middle and working classes were powerful enough to elect a reformist president, Arturo Alessandri Palma.

By the 1920s, many newspapers had a comics page on which many strips were collected together.

Additional milieu were provided by Chaosium with the release of Dreamlands, a boxed supplement containing additional rules needed for playing within the Lovecraft Dreamlands, a large map and a scenario booklet, and Cthulhu By Gaslight, another boxed set which moved the action from the 1920s to the 1890s.

By the early 1920s, unit operations became an important aspect of chemical engineering at MIT and other US universities, as well as at Imperial College London.

By the late 1920s, Al Capone and the Mob were inspiring not only fear, but piquing mainstream curiosity about the American underworld.

By the 1920s, the U. S. reached what is still its era of greatest-ever output, producing an average of 800 feature films annually, or 82 % of the global total ( Eyman, 1997 ).

By the 1920s, the idea of an Israelite conquest of Canaan-the story of the book of Joshua-was not supported by the archaeological record.

By the 1920s, Hearst, was the owner of a chain of newspapers from coast to coast.

By the 1920s, the diatonic harmonica had largely reached its modern form.

By the 1920s however the Senate had lost much of its original influence, and hence no sitting senator had been known to have serious aspirations of becoming prime minister whilst remaining in the Senate.

By the 1920s the number of cars had soared to 60, 000.

By the early 1920s, however, the inherent limitations of this type of engine had rendered it obsolete, with the power output increasingly going into overcoming the air-resistance of the spinning engine itself.

By the 1920s psychoanalysts assumed that homosexuality was pathological and that attempts to treat it were appropriate, although psychoanalytic opinion about changing homosexuality was largely pessimistic.

By the late 1920s the resistance movement against colonial rule had gathered widespread support during the mistreatment of the Samoan people by the New Zealand administration.

By the late 1920s, however, those employing only optical and electronic technologies were being explored.

By the late 1920s, economic performance had stabilised, but the overall situation was disappointing, for Britain had clearly fallen behind the United States and other countries as an industrial power.

By the 1920s, however, this boisterous folksiness had diminished.

By the end of the 1920s Corbusier was already an internationally known architect.

By the 1920s, the British Government were seeking a replacement for their book code systems, which had been shown to be insecure, and which proved to be slow and awkward to use in practice.

" By the 1920s, Birmingham was the 19th largest city in the U. S and held more than 30 % of the population of the state.

By the middle of the decade, some of the 1950s generation of American comedians, such as Jerry Lewis, went into decline, while Peter Sellers found success with international audiences in his first American film The Pink Panther.

By this time, Lewis was held by the Mackenzies of Kintail, ( later the Earls of Seaforth ), who pursued a more enlightened approach, investing in fishing in particular.

By the end of his contract with producer Hal B. Wallis, Lewis had several productions of his own under his belt.

By 1966, Lewis, now 40, was no longer an angular juvenile and his routines seemed more labored.

Lennon's first-ever tour in the spring of 1985 was documented as part of the film Stand By Me: A Portrait Of Julian Lennon — a film profile started by Sam Peckinpah, but completed by Martin Lewis after Peckinpah's death.

By the time Lewis and Clark arrived at the mouth of the Columbia, at least 14 maritime fur traders had already visited the river's mouth and estuary.

In 1922, Lewis Fry Richardson published " Weather Prediction By Numerical Process ", after finding notes and derivations he worked on as an ambulance driver in World War I.

* Outlines of industrial chemistry By Frank Hall Thorp, Warren Kendall Lewis

By 1959, the death of Buddy Holly, The Big Bopper and Ritchie Valens in a plane crash, the departure of Elvis for the army, the retirement of Little Richard to become a preacher, prosecutions of Jerry Lee Lewis and Chuck Berry, and the breaking of the payola scandal ( which implicated major figures, including Alan Freed, in bribery and corruption in promoting individual acts or songs ), gave a sense that the initial rock and roll era had come to an end.

* Ancestral Roots of Certain American Colonists Who Came to America Before 1700 By Frederick Lewis Weis, Line 147-20

By studying several different tribes of the Western Pacific ( employing the method of comparison, popular in ethnography ), Malinowski gave confirmations of Lewis Morgan's idea that matriarchy ( gyneocracy ) was a common feature of primitive societies at early stages, and that female rule needed matrilineality for its existence.

By early October of that year, Lewis ' force had marched downstream to the mouth of the Kanawha River, currently the site of Pt.

* Biographical Illustrations of St. Paul's Cathedral By George Lewis Smyth, published 1843, 284 pages.

Col. Thomas C. Devin ’ s dismounted Union cavalry brigade attacked about 8: 00 a. m. By mid-afternoon, with Buford ’ s cavalrymen running low on ammunition and gaining little ground, Col. Lewis A. Grant ’ s First Vermont Brigade of infantry arrived and jabbed at the Confederate center less than one mile away.

By 1832, Lewis Weiss began building boats for the Lehigh Coal and Navigation Company and the Morris Canal & Banking Company.

By 1905 the line was extended across the river into Lewis County and on into Mineral.

By 1919, Lewis was leading his own band, and had a recording contract with Columbia Records, which marketed him as their answer to the Original Dixieland Jass Band who recorded for Victor records.

By the mid ' 60s, Martin was a top movie, recording, television, and nightclub star, while Lewis ' film career declined.

By the end of the decade, Danny Kelly had replaced Alan Lewis as editor.

By early 1838, Deere completed his first steel plow and sold it to a local farmer, Lewis Crandall, who quickly spread word of his success with Deere's plow.

* " I'm Right, You're Wrong, Go To Hell "-Religions and the meeting of civilization By Bernard Lewis

By 1727 he had written the notes he contributed to Lewis Theobald's edition of Shakespeare, and had contributed anonymously to a pamphlet on the jurisdiction of the Court of Chancery, The Legal Judicature in Chancery stated ( 1727 ).

The soundtrack includes such period songs as " I'm Sitting on Top of the World " and " Five Foot Two, Eyes of Blue " by Ray Henderson, Sam Lewis, and Joe Young ; " Sunny Side Up " by Henderson, Lew Brown, and Buddy G. DeSylva ; " Ain't We Got Fun " by Richard A. Whiting, Ray Egan, and Gus Kahn ; " Charleston " by James P. Johnson and Cecil Mack ; " I'll Get By " by Fred E. Ahlert and Roy Turk ; " I've Got a Feeling I'm Falling "

* How Many Aegis Ships To Defend NATO ?, By Jeffrey Lewis, June 12 2007.