Drawn up in 1914, the cross-licensing agreement became effective in 1915.

One reel -- from eight to twelve minutes -- became the standard length from the year of Robbery, 1903, until Griffith shattered that limit forever with Birth Of A Nation in 1915.

Only several years after its liberation ( 1878 ), Bulgaria became a regional military power and was involved in several major wars – Serbo-Bulgarian War ( 1885 ), First Balkan War ( 1912 – 13 ), Second Balkan War ( 1913 ), First World War ( 1915 – 1918 ) and Second World War ( 1941 – 1944 ), during which the Army gained significant combat experience.

During the course of 1915, Chaplin became a cultural phenomenon.

He graduated in the middle of the class of 1915, which became known as " the class the stars fell on ", because 59 members eventually became general officers.

Beatty's other brothers were Charles Harold Longfield ( 1870 – 1917 ) who served with distinction in the South Africa wars before dying from complications after losing an arm in Flanders, Richard George ( 1882 – 1915 ) who died on active service in India, William Vandeleur Schruder ( 1873 – 1935 ) who became an army Major and Newmarket horse trainer, and one sister Kathleen Roma ( 1875 –).

Haeckel's wife, Agnes, died in 1915, and Haeckel became substantially more frail, with a broken leg ( thigh ) and broken arm.

LaGuardia became Deputy Attorney General of New York in January, 1915.

After the sinking of the RMS Lusitania in 1915, public anti-German sentiment was widespread, and Marx's German character was booed, so he quickly dropped the accent and developed the fast-talking wise-guy character that became his trademark.

During the course of the war the area of Congress Poland became occupied by the Central Powers, with Warsaw captured by the Germans on 5 August 1915.

But when, in early 1915, the Allies asked for Greek help in the Dardanelles campaign, offering Cyprus in exchange, their diverging views became apparent: Constantine had been educated in Germany, was married to Sophia of Prussia, sister of Kaiser Wilhelm, and was convinced of the Central Powers ' victory.

In 1906 he moved to Paris and became friends with Henri Matisse, Georges Braque, Fernand Léger, then in 1915 he was painted by his friend, Amedeo Modigliani.

In 1915, Regret became the first filly to win the Kentucky Derby ( of only three in the history of the race ), and in 1917, the English-bred colt " Omar Khayyam " became the first foreign-bred horse to win the race.

During heavy fighting he was captured by the Austrians in April 1915, when his division became isolated from the rest of the Russian forces.

In 1915 Keystone Studios became an autonomous production unit of the ambitious Triangle Film Corporation, as Sennett joined forces with movie bigwigs D. W. Griffith and Thomas Ince.

When Mendel's theories were integrated with the chromosome theory of inheritance by Thomas Hunt Morgan in 1915, they became the core of classical genetics.

Some countries in northwestern Europe had more liberal policies towards contraception than the United States at the time, and when Sanger visited a Dutch birth control clinic in 1915, she learned about diaphragms and became convinced that they were a more effective means of contraception than the suppositories and douches that she had been distributing back in the United States.

When the besieged garrison of Kaunas surrendered in 1915, 20, 000 Russians became prisoners.

Starting with the mostly original score composed by Joseph Carl Breil for D. W. Griffith's groundbreaking epic The Birth of a Nation ( USA, 1915 ) it became relatively common for the biggest-budgeted films to arrive at the exhibiting theater with original, specially composed scores.

In 1915, he became the first sitting president to attend a World Series game.

Late in 1915 Lloyd George became a strong supporter of general conscription, and he helped to put through the conscription act of 1916.

Their son Michael, who became a barrister, was born in January 1915.

Dual-tone sirens became more common in the 1950s, but have been used in some areas since about 1915.

Albert Goodwill Spalding ( Byron, Illinois September 2, 1850 – September 9, 1915 in Point Loma, San Diego, California ) was a professional baseball player, manager and co-founder of A. G. Spalding sporting goods company.

* 1850 – Albert Spalding, American baseball player, manager, and businessman, co-founder of the Spalding Sporting Goods Company ( d. 1915 )

* Canadian Charles Templeton ( 7 October 1915 – 7 June 2001 ), the co-founder of Youth for Christ, was an evangelist in the Church of the Nazarene, and founder of the Avenue Road Church of the Nazarene in Toronto, Canada, before becoming an agnostic, Ontario Liberal Party politician, newspaper editor, inventor, broadcaster and author ;

Beginning in 1899, artists began to settle in Taos ; six formed the Taos Society of Artists in 1915.

In 1915, his dream became reality with the formation of the Taos Society of Artists, of which Phillips was a founding member together with his friends Ernest Blumenschein, Joseph Henry Sharp, and three other artists.

In 1915, Couse was one of the six founding members of the Taos Society of Artists, and was elected first president.

Dunton became one of the founding members of the Taos Society of Artists in 1915.

In 1915, he became a founding member of the Taos Society of Artists, along with his friend Bert Phillips and four other artists.

The language of the Hattusa tablets was eventually deciphered by a Czech linguist, Bedřich Hrozný ( 1879 – 1952 ), who on 24 November 1915 announced his results in a lecture at the Near Eastern Society of Berlin.

Mao also remained active in school politics, in 1915 becoming elected to the position of secretary of the Students Society.

* Lady Audley's Secret ( aka Secrets of Society ) 1915 ( USA, black and white, silent, directed by Marshall Farnum )

He rose to become a noted member of the Oxford University Fabian Society, then at the height of its power and membership, and was there when, in 1915, it changed its name to the Oxford University Socialist Society following a split from the main Fabian Society.

Acheson attended Groton School and Yale College ( 1912 – 1915 ), where he joined Scroll and Key Society, was elected to Phi Beta Kappa and was a brother of the Delta Kappa Epsilon fraternity ( Phi chapter ).

Image: Historical Society, Hancock, NH. jpg | Historical Society in 1915

In 1915 he was one of the first members of staff of the newly formed School of Slavonic and East European Studies, which was initially a department of King's College London, and is now a part of University College London, and where the Student Society and Senior Common Room are named after him.

In July 1915, she met Margaret Sanger, who had just given an address on birth control at a Fabian Society meeting.

Philadelphia: American Baptist Publication Society, 1915.

National Geographic Maps ( originally the Cartographic Division ) became a division of the National Geographic Society in 1915.

Later works include Autobiographic Memoirs ( 1911 ); The Positive Evolution of Religion ( 1912 ); The German Peril ( 1915 ); On Society ( 1918 ); Jurisprudence and Conflict of Nations ( 1919 ); Obiter Scripta ( 1919 ); Novissima Verba ( 1920 ).

He made many contributions to the epidemiology of malaria and to methods of its survey and assessment, but perhaps his greatest was the development of mathematical models for the study of its epidemiology, initiated in his report on Mauritius in 1908, elaborated in his Prevention of malaria in 1911 and further elaborated in a more generalised form in scientific papers published by the Royal Society in 1915 and 1916.

Nazarene Missions International ( NMI ) was founded in 1915 at the fourth General Assembly, as the Nazarene Foreign Missionary Society, with Susan Norris Fitkin, wife of financier Abram Fitkin, elected the first president.

The AAS name of the society was not finally decided until 1915, previously it was the " Astronomical and Astrophysical Society of America ".

Between 1915 and 1918 he exhibited lithographs in the 4th and 7th annual exhibitions of the California Society of Etchers ( now the California Society of Printmakers in San Francisco.