By the age of six young Johnny indicated that he had the call.

By the time they reach that age, however, Aristotle no longer worries about the evil influence of comedies.

By ancient common law it might be required of all persons above the age of 12, and it was repeatedly used as a test for the disaffected.

By age 8, those who were signing as babies scored an average of twelve points higher on the WISC-III IQ test.

By age three, however, her mother changed her name to Elizabeth Sewall Alcott, after her own mother.

By the age of twenty, Ferdinando I, Duke of Mantua, began commissioning works from him, and he was also employed by local jewelers for figurative designs.

By the help of these discoveries, Angle civilization in the age preceding the invasion of Britannia can be fitted together.

By age 19, Diabelli had already composed several important compositions, including six masses.

By the time of his relatively early death at the age of 51, Erlang created the field of telephone networks analysis.

By the age of 64 after forty years imprisonment ` Abdu ’ l-Bahá was freed by the Young Turks and he and his family began to live in relative safety.

By age 32, Fuller was bankrupt and jobless, living in public, low-income housing in Chicago, Illinois.

By age twenty, she had met and befriended the important, and pivotal, landscape painter of the Barbizon School, Camille Corot, who excelled in figure painting as well.

By the age of four, he was able to play 40 pieces on the piano ; his mother began formally teaching him the next year.

By age 13 Chaplin had fully abandoned education.

By the time Mozart arrived at age 25, in 1781, the dominant styles of Vienna were recognizably connected to the emergence in the 1750s of the early Classical style.

By conceiving a timeless setting — " a vanished age " — and by carefully choosing names that resembled human history, Howard shrewdly avoided the problem of historical anachronisms and the need for lengthy exposition.

By the early 940s Constantine was an old man, perhaps more than 70 years of age.

By 1 July 1933 there were 1, 463 working camps with 250, 000 junior enrollees ( 18 – 25 years of age ), 28, 000 veterans, 14, 000 American Indians, and 25, 000 Locally Enrolled ( or Experienced ) Men ( LEM ).

By the age of Augustus, poets like Virgil closely adhered to the rules of the meter and approached it in a highly rhetorical way, looking for effects that can be exploited in skilled recitation.

By age 16 he had bought his first guitar ( a Harmony acoustic archtop with a sunburst finish ) and begun making contacts in the music business, becoming friends with folk singer Erik Darling, a latter-day member of the Weavers.

By the age of seven, Plato began doing television commercials, reportedly appearing in over 100 spots for companies as diverse as Kentucky Fried Chicken, Dole, and Atlantic Richfield.

By the time Dewey moved to Chicago at the age of thirty-five, he had already published two books on psychology and applied psychology.

By 1952, at the age of 55, Capra effectively retired from Hollywood filmmaking and spent his later years working with Caltech, his alma mater, to produce educational films on science topics.

By the early 20th century, radiometric dating allowed the Earth's age to be estimated at two billion years.

By 16: 00, with the enemy troops besieged in Blenheim and Oberglau, the Allied centre of 81 squadrons ( nine squadrons had been transferred from Cutts ' column ), supported by 18 battalions was firmly planted amidst the French line of 64 squadrons and nine battalions of raw recruits.

By 1993 — nine months ahead of schedule — the military had cut personnel from a war-time high of 63, 000 to the level of 32, 000 required by the peace accords.

By age nine he was growing, grinding, bottling and selling his own brand of horseradish sauce, based on his mother's recipe.

By 1842, a list of nine elements believed to be essential to plant growth had been compiled, and the discoveries of the German botanists Julius von Sachs and Wilhelm Knop, in the years 1859-65, resulted in a development of the technique of soilless cultivation.

By the age of nine, he was proving himself to be a skilled potter.

By 2006, astronomers had resolved dust disks believed to be Kuiper belt-like structures around nine stars other than the Sun.

By 1768 the core group of nine individuals who would form the nucleus of the Lunar Society had come together with Small at their heart.

By the summer of 1939, the Luftwaffe had nine Jagdgeschwader ( fighter wings ) mostly equipped with Messerschmitt Bf 109, four ' Zerstörergeschwader ( destroyer wings ) equipped with the Messerschmitt Bf 110 heavy fighter, 11 Kampfgeschwader ( bomber wings ) equipped with mainly the Heinkel He 111 and the Dornier Do 17Z, and four Sturzkampfgeschwader ( dive bomber wings ).

By contrast, Leto labored for nine nights and nine days for Apollo, according to the Homeric Hymn to Delian Apollo, in the presence of all the first among the deathless goddesses as witnesses: Dione, Rhea, Ichnaea, Themis and the " loud-moaning " sea-goddess Amphitrite.

By the age of nine, Mary could read and write Latin.

By the time Mary was nine years old, it was apparent that Henry and Catherine would have no more children, leaving Henry without a legitimate male heir.

By 1998 Star Trek TV shows, movies, books, videotapes, and licensing provided so much of the studio's profit that " it is not possible to spend any reasonable amount of time at Paramount and not be aware of presence "; filming for Star Trek: Voyager and Star Trek: Deep Space Nine required up to nine of the largest of the studio's 36 sound stages.

By contrast a four-straight including the bug can have as many as sixteen outs to complete the straight-Q-J-10-Joker can catch any ace, king, nine, or eight.

By mid-1971, as the termination date of the British treaty relationship ( end of 1971 ) approached, the nine still had not agreed on terms of union.

By the mid-1950s, nine kwans had emerged.

By diverse adventures she comes in the space of four years into the hands of nine men in varied places.

By contrast in 21st century Britain, nearly half of all children are born outside marriage, and nine in ten newlyweds have been cohabitating.

By late 2003, the state of California and the Santa Clara Valley Water District had confirmed a groundwater plume currently extending over nine miles through residential and agricultural communities.

By 1963, the Hanford Site was home to nine nuclear reactors along the Columbia River, five reprocessing plants on the central plateau, and more than 900 support buildings and radiological laboratories around the site.

By his wife Maria he had a family of nine sons and six daughters.

By Hugh X, Isabella had nine more children.

By 1993 — nine months ahead of schedule — the military had cut personnel from a war-time high of 63, 000 to the level of 32, 000 required by the peace accords.