By early summer 1915, Hilbert's interest in physics had focused on general relativity, and he invited Einstein to Göttingen to deliver a week of lectures on the subject.

By 1915, there were more than 60 students, mostly in residence.

By this time his relationship with the 25-year-old writer Mira Mendelson ( 1915 – 1968 ) had finally led to his separation from his wife Lina, although they were never technically divorced: indeed Prokofiev had tried to persuade Lina and their sons to accompany him as evacuees out of Moscow, but Lina opted to stay.

* By 1915, human expeditions discovered Anti-Metal in Antarctica.

By 1915 twenty-five percent of the nation ’ s foundry pig iron was produced in Birmingham.

By 1915 there were makeshift depots at Madras and Calcutta.

By 1915, Zaharoff had close ties with both David Lloyd George and Aristide Briand.

By 1915, tobacco exports from the Philippines to America had annually increased as a result of the bill passing.

By November 1915 production had been expanded to produce 350, 000 lb ( 159, 000 kg ) of cordite per month for the Imperial Munitions Board.

By November 1915 production had been expanded to 350, 000 lb ( 159, 000 kg ) of cordite per month ( approximately 1, 900 tonnes per year ).

By 19 December 1915, General Sir Douglas Haig had replaced General Sir John French as Commander-in-Chief of the British Expeditionary Force ( BEF ).

By autumn 1915, with Asquith ’ s Coalition close to breaking up over conscription, he was blamed for the failure to bring in that measure and for the excessive influence which civilians like Churchill and Haldane had come to exert over strategy, allowing ad hoc campaigns to develop in Sinai, Mesopotamia and Salonika.

By autumn 1915 Asquith ’ s Coalition was close to breaking up over conscription, and in the absence of firm leadership ad hoc campaigns had developed in Sinai, Gallipoli, Mesopotamia and Salonika.

By 1915 the county had built of roadways, the most of any county in the state for its size.

By 1915, electricity lines ran from Magnetic Springs to Richwood.

By 1915, they began holding church meetings at the Gilbert Elementary School.

By 1915, the village boasted four cotton gins producing thousands of bales of cotton ; however, the decline in the demand for cotton led local farmers toward the growing of rice that is now the major crop of the area.

By 1915, there were over 600 residents.

By 1915, 3, 636 people lived in Tuxedo, about 20 % more than were reported in the 1990 Census.

By 1915, an engineering staff was employed, and plans made for valley-long channel improvements, levees, and basins to temporarily retain excessive rains.

By 1915, the population reaches 1, 000, with a bank, hotels, blacksmiths, three stores and a lumber yard.

By 1915, the biggest year for the factory, were planted, yielding 36, 915 tons of sugar beets, which were processed into 7, 722 tons of sugar.

By 1915, a published photo shows many more businesses along First Street.

By 1915 many farms were established in the irrigation district and the population of the flats was 5, 277.

By failing to do as he was told instantly -- to take out a permit or return the gun to his car -- he had played into Lord's hands.

By 1898, rustling losses had been driven down to the lowest level ever seen in Wyoming.

By the death of his father in 1888 he had come into possession of the family estate and had re-assumed its traditions.

By the time Lilian had been graduated from public school, her parents were doing quite well.

) By the time the streetcar pulled away, he had fallen in love with Paula.

By this time she had learned that it was futile to argue with her young husband, yet the uncomfortable fact remained: the American Congregationalists were sending them as missionaries to the Far East and paying their salaries.

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

By September 1940 the Suite had developed into a collection of six songs, `` four spirituals, a dream, and a lullaby ''.

By now he had become Regius Professor of Modern History at Cambridge and had been honored by the award of the Order of Merit.

By both standards Thomas had the right to be proud.

By June 19, 1788, he had presented himself to its Commander in Chief, the Governor of the Southern Provinces, the Director of the War College -- The Prince.

By 1783 her legions had managed to annex the Crimea amid scenes of wanton cruelty and now, in this second combat with the Crescent, were aiming at suzerainty over all of the Black Sea's northern shoreline.

By this time word had got around that an American doctor was on the premises.

By this time Woodruff had accurately measured Pike as a man of great personal pride, a man who would fly into a towering rage if his integrity were questioned, and who would be anxious to avenge himself.

By 1834 the art of oratory had reached a very high level in the United States as a literary form.

By the time he was under the covers he had forgotten about seeing Kate.

By 1937 he had clarified his intentions to serve his people: `` I have striven for clarity and melodious idiom, but at the same time I have by no means attempted to restrict myself to the accepted methods of harmony and melody.

By the time the film was released we were three million dollars over-spent, war was imminent and the public apparently had forgotten all about Mother Cabrini.

By this time Churchill was not so cordial toward moving Poland westward as he had been at Teheran, where he and Eden had both heartily approved the idea.

By December, 1958, when ' Abdallah Ibrahim became President of the Council, elections had even greater importance.

By 800 social and cultural security had been achieved, at least on a simple plane ; ;

By this time large numbers of the audience had left the hall.