* 1943 – World War II: First Québec Conference of Winston Churchill, Franklin D. Roosevelt, and William Lyon Mackenzie King begins.

Theodore Roosevelt, the youngest to serve, was 42 years and 11 months old when he was sworn in following the death of William McKinley in 1901, and John F. Kennedy, the youngest to be elected, was 43 years and 7 months old when he was inaugurated in 1961.

Rejecting the adversarial stance of Theodore Roosevelt, William Howard Taft, and Woodrow Wilson, he sought to make the Commerce Department a powerful service organization, empowered to forge cooperative voluntary partnerships between government and business.

Hay's highest office was serving as United States Secretary of State under Presidents William McKinley and Theodore Roosevelt.

On the suggestion of Canadian / British spymaster William Stephenson, the senior British intelligence officer in the western hemisphere, Roosevelt requested that William J. Donovan draft a plan for an intelligence service.

* 1901 – President of the United States William McKinley dies after an assassination attempt on September 6, and is succeeded by Theodore Roosevelt.

In 1901, President William McKinley was assassinated and Roosevelt became President at the age of 42 ; he remains the youngest president.

At the end of his second term, Roosevelt promoted his friend William Howard Taft for the 1908 Republican nomination.

Urged by Roosevelt's close friend, Congressman Henry Cabot Lodge, President William McKinley appointed Roosevelt to the post of Assistant Secretary of the Navy in 1897.

Roosevelt was a powerful campaign asset for the Republican ticket, which defeated William Jennings Bryan in a landslide based on restoration of prosperity at home and a successful war and new prestige abroad.

Roosevelt appointed three Justices to the Supreme Court of the United States: Oliver Wendell Holmes, Jr. ( 1902 ), William Rufus Day ( 1903 ), William Henry Moody ( 1906 ).

The battle between William Howard Taft | Taft and Roosevelt bitterly split the Republican Party ; Taft's people dominated the party until 1936.

* Tilchin, William N. Theodore Roosevelt and the British Empire: A Study in Presidential Statecraft ( 1997 )

In 1912, Harding gave the nominating speech for incumbent President William Howard Taft, who would later serve as Chief Justice of the Supreme Court during Harding's administration, at the embattled Republican National Convention in Chicago — before he completed his introduction, a fist fight ensued between the Taft supporters and the more progressive Roosevelt faction, but the speech was quite a personal success.

Theodore Roosevelt became president after William McKinley was assassinated in 1901.

Running against Republican incumbent William Howard Taft and Progressive (" Bull Moose ") Party candidate Theodore Roosevelt, a former President, Wilson was elected President as a Democrat in 1912.

In the contest for the Republican nomination, President William Howard Taft defeated former president Theodore Roosevelt, who then ran as a Bull Moose Party candidate, which assisted in Wilson's success in the electoral college.

September 14: Theodore Roosevelt becomes President of the United States on the death of William McKinley.

* September 14 – Theodore Roosevelt succeeds William McKinley as President of the United States.

Washington was on close terms with national republican leaders, and often was asked for political advice by presidents Theodore Roosevelt and William Howard Taft.

Bishop William T. Manning had announced a $ 10 million capital campaign to raise money for this project at a major press conference ; the New York campaign committee was headed by Franklin D. Roosevelt.

* Beale Howard K. Theodore Roosevelt and the Rise of America to World Power.

Popular incumbent President Theodore Roosevelt, honoring a promise not to seek a third term, persuaded the Republican Party to nominate William Howard Taft, his close friend and Secretary of War, to become his successor.

William Howard Taft was nominated with 702 votes to 68 for Knox, 67 for Hughes, 58 for Cannon, 40 for Fairbanks, 25 for LaFollette, 16 for Foraker, 3 for President Roosevelt, and one abstention.

The Democratic Party's continued enchantment with the populist William Jennings Bryan led Hill to support Republican presidential candidates William McKinley ( 1896 and 1900 ), Theodore Roosevelt ( 1904 ), William Howard Taft ( 1908 and 1912 ).

In 1872, it supported Horace Greeley, a former Republican Party newspaper editor, and in 1912 the paper endorsed Theodore Roosevelt, who ran on the Progressive Party slate against Republican President William Howard Taft.

In The Life and Times of Scrooge McDuck, Howard acts as one of Scrooge McDuck's many early mentors-others include Sir Quackly McDuck's ghost and a young Theodore Roosevelt.

President Theodore Roosevelt sued 45 companies under the Sherman Act, while William Howard Taft sued 75.

Fairbanks sought the Republican nomination for President but Roosevelt ( who chose to not seek reelection ) supported William Howard Taft as his potential successor in 1908, sending Fairbanks back to the practice of law.

Twine moved to Muskogee, and the citizens voted to rename the town as Taft, for President William Howard Taft, who was then Secretary of War in the Theodore Roosevelt administration.

During the Progressive Era ( 1890s – 1920s ), Presidents Theodore Roosevelt, William Howard Taft, and Woodrow Wilson instituted regulation on parts of the American economy, most notably in regulating big business and industry.

Most historians, such as one of Roosevelt ’ s many biographers Howard K. Beale have summarized that the corollary was influenced by Roosevelt ’ s personal beliefs as well as his connections to foreign bondholders.

His first cousin was Henry Stimson, who held cabinet-level positions in the administrations of William Howard Taft, Herbert Hoover, Franklin Roosevelt, and Harry S. Truman.

However Muir broke with Roosevelt and especially President William Howard Taft on the Hetch Hetchy dam, which was built in the Yosemite National Park to supply water to San Francisco.

La Follette's troubles in the Senate worsened when fellow Progressive Theodore Roosevelt did not seek another term and William Howard Taft became President.

Embittered, La Follette opposed both Roosevelt and William Howard Taft in the 1912 election.

Fairbanks withdrew from the race, and would later support Taft for re-election against Roosevelt in the 1912 election.

Taft usually proved a less adroit politician than Roosevelt and lacked the energy and personal magnetism, not to mention the publicity devices, the dedicated supporters, and the broad base of public support that made Roosevelt so formidable.

While the crisis was building inside the Party, Roosevelt was touring Africa and Europe, to allow Taft to be his own man.

Unlike Roosevelt, Taft never attacked business or businessmen in his rhetoric.

Consequently, Taft lost the support of antitrust reformers ( who disliked his conservative rhetoric ), of big business ( which disliked his actions ), and of Roosevelt, who felt humiliated by his protégé.

More trouble came when Taft fired Gifford Pinchot, a leading conservationist and close ally of Roosevelt.

Roosevelt was attacking both the judiciary and the deep faith Republicans had in their judges ( most of whom had been appointed by McKinley, Roosevelt or Taft ).

In 1911, Taft responded with a vigorous stumping tour that allowed him to sign up most of the party leaders long before Roosevelt announced.

After he finally broke with Taft, Roosevelt saw himself as the only person who could save the Republican party from defeat in the upcoming Presidential election and announced himself as a candidate for the Republican nomination.

Roosevelt, however, had delayed too long, and Taft had already won the support of most party leaders in the country.

Roosevelt, stepping up his attack on judges, carried nine of the states that held preferential primaries, LaFollette took two, and Taft only one.

While Roosevelt was popular with the public, most Republican politicians and party leaders supported Taft, and their support proved difficult to counter in states without primaries.

1912: Wilson, Roosevelt, Taft, and Debs – The Election That Changed the Country.

As a Democrat ( after his criminal indictment by the Taft Administration ), Watson was an ardent supporter of Roosevelt.

In 1904, President Theodore Roosevelt appointed Taft Secretary of War in an effort to groom Taft, then his close political ally, into his handpicked presidential successor.