On April 15, 1907, President Theodore Roosevelt issued an Arbor Day Proclamation to the School Children of the United States about the importance of trees and that forestry deserves to be taught in our schools.

In 1907, Roosevelt designated 16 million acres ( 65, 000 km² ) of new national forests just minutes before a deadline.

In 1907, President Theodore Roosevelt sent the Great White Fleet on its round-the-world voyage.

in 1907 President Theodore Roosevelt tried to cut down on smuggling by establishing the Roosevelt Reservation along the United States-Mexico Border.

Roosevelt was also served as honorary president of the school health organization American School Hygiene Association from 1907 to 1908, and in 1909 he convened the first White House Conference on the Care of Dependent Children.

Roosevelt became a Life Member of the National Rifle Association, while President, in 1907 after paying a $ 25 fee.

Taft indicated to Roosevelt he wanted to be Chief Justice of the Supreme Court, not President, but there was no vacancy and Roosevelt had other plans – in 1907 he began touting Taft as the best choice for the Presidential nomination by the party.

In 1907 the Hay-Bunau-Varilla Treaty granted the U. S. construction rights for the Panama Canal, which Roosevelt delegated to the War Department, and Taft thereby supervised the beginning of construction on the Canal.

* August 13 – James Roosevelt, American businessman and politician ( b. 1907 )

In 1907, Roosevelt designated 16 million acres ( 65, 000 km² ) of new national forests just minutes before a deadline.

After returning to the Roosevelt in May, Peary in June began weeks of further agonizing travel by heading west along the shore of Ellesmere, discovering Cape Colgate, from the summit of which he claimed in his 1907 publications he had seen a previously undiscovered far-north " Crocker Land " to the northwest on June 24 of 1906.

The Great White Fleet was the popular nickname for the United States Navy battle fleet that completed a circumnavigation of the globe from 16 December 1907 to 22 February 1909 by order of U. S. President Theodore Roosevelt.

Atlantic City, New Jersey Mayor Joseph Lazarow was recognized by the Guinness Book of World Records for a July 1977 publicity stunt, in which the mayor shook more than 11, 000 hands in a single day, breaking the record previously held by President Theodore Roosevelt, who had set the record with 8, 510 handshakes at a White House reception on 1 January 1907.

Another presidential proclamation made by Roosevelt, on 10 September 1907, created the Tongass National Forest.

During the Panic of 1907, President Theodore Roosevelt attempted to increase liquidity in the markets by authorizing the Treasury to issue more Greenbacks, but the Aldrich-Vreeland Act provided for the needed flexibility in the National Bank Note supply instead.

In 1907, US President Theodore Roosevelt wrote, " We have room for but one language in this country, and that is the English language, for we intend to see that the crucible turns our people out as Americans, of American nationality, and not as dwellers in a polyglot boarding house.

On June 10, 1907, " Georgia Day ," Theodore Roosevelt returned to the Exposition, delivering a speech on the steps of the Georgia Building, which had been modeled after his mother's family's home.

Construction began on September 29, 1907, when the foundation stone was laid in the presence of President Theodore Roosevelt and a crowd of more than 20, 000, and ended 83 years later when the last finial was placed in the presence of President George H. W. Bush in 1990.

Construction started September 29, 1907, with a ceremonial address by President Theodore Roosevelt and the laying of the cornerstone.

Pinchot with Theodore Roosevelt, 1907

In 1907 Roosevelt appointed Pinchot a member of the Inland Waterways Commission in a Progressive Era investigation and study of water resources usage from a multi-purpose approach.

Recognizing the need for playgrounds, former President Theodore Roosevelt stated in 1907:

* Infante Alfonso Pio Cristino Eduardo Francisco Guillermo Carlos Enrique Fernando Antonio Venancio of Spain, Prince of Asturias ( 1907 – 1938 ), a hemophiliac, he renounced his rights to the throne in 1933 to marry a commoner, Edelmira Ignacia Adriana Sampedro-Robato, and became Count of Covadonga.

The groundwork for the modern bikini began to be laid in 1907, when Australian swimmer and performer Annette Kellerman was arrested on a Boston beach for wearing a form-fitting one-piece swimsuit, which became an accepted beach attire for women by 1910.

They then won back to back World Series titles in 1907 – 08 In 1902, Spalding, who by this time had revamped the roster to boast what would soon be one of the best teams of the early century, sold the club to Jim Hart, and the franchise became known as the Chicago Cubs.

In 1907 he became a part-time lecturer at University College London, and was afterwards appointed to a full-time position.

The Trustees Drawing Academy of Edinburgh was founded in 1760 – an institution that became the Edinburgh College of Art in 1907.

After her husband's death in 1907, she became more active.

He had two children, Graham ( born 1907 ) and Mary ( born 1909 ), who each also became illustrators.

In 1907 Gaumont owned and operated the biggest movie studio in the world, and along with the boom in construction of " luxury cinemas " like the Gaumont-Palace and the Pathé-Palace ( both 1911 ), cinema became an economic challenger to legitimate theater by 1914.

He became an assistant professor in 1907, associate professor on 1908, and full professor in 1911.

In an effort to isolate Germany, France went to great pains to woo Russia and the United Kingdom to its side, first by means of the Franco-Russian Alliance of 1894, then the 1904 Entente Cordiale with the U. K, and finally the Anglo-Russian Entente in 1907 which became the Triple Entente and eventually led Russia and the UK to enter World War I as Allies.

With the opening of a fifth production hall in 1907, the Leipziger Baumwollspinnerei became the largest cotton mill company on the continent, housing over 240, 000 spindles.

Newfoundland was a British colony until 1907 when it became an independent Dominion within the British Empire.

In 1907 under the Kingdom of Italy the agency became the Magistrato alle Acque and took responsibility for all the water resources in northeastern Italy.

An experiment in 1874 to produce flax from Phomium Tenax ( New Zealand flax ) failed ( the cultivation of flax recommenced in 1907 and eventually became the island ’ s largest export ).

In 1907 Russian scientist Boris Rosing became the first inventor to use a CRT in the receiver of an experimental television system.

In 1907, she became the first American carrier to be identified and traced.

The school opened to 35 students in September 1907, two months before Oklahoma became a state.

They became friendly rivals and competed with each other throughout their careers, perhaps leading to Picasso entering a new period in his work by 1907, marked by the influence of Greek, Iberian and African art.

In 1907 he became associate professor and in 1908 full professor of mathematics at the University of Chernivtsi ( Russian Черновцы ), Ukraine.

In 1907, Ponzi moved to Montreal and became an assistant teller in the newly opened Banco Zarossi, a bank started by Luigi " Louis " Zarossi to service the influx of Italian immigrants arriving in the city.

An enthusiastic educator, Holst became music master at St Paul's Girls ' School in 1905 and director of music at Morley College in 1907, continuing in both posts until retirement.

In 1907, Holst also became director of music at Morley College.

He practiced medicine in New York City until 1907 when he became a researcher at Hoagland Laboratory in Brooklyn, New York.