From Ohio History Central
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| image = [[File:Baker, Newton D. Inspecting Trenches.jpg]]
| caption = Secretary of War Newton D. Baker of Cleveland and Major General Charles T. Menoher are pictured in France inspecting the front line trenches of the 166th Infantry Regiment during World War I. The 166th Infantry was part of the 42nd Infantry Division, also known as the "Rainbow Division" because it included one regiment from each state. The 4th Infantry of the Ohio National Guard was chosen to become part of the 42nd and re-designated the 166th Infantry Regiment. Prior to the war, the 4th Ohio was sent to keep the peace at strikes and riots and stop revolutionary insurgents on the U.S.-Mexico border.
<p>Newton Diehl Baker was born in Martinsburg, West Virginia, in 1871. His father, a doctor, was also named Newton Diehl Baker, and his mother was Mary Ann Dukehart Baker. Baker attended Johns Hopkins University and graduated in 1892, before earning a law degree from Washington and Lee University in 1894 He briefly practiced law in his home town before becoming the private secretary of Postmaster General William L. Wilson.</p><p>Baker moved to Cleveland, Ohio, sometime around the turn of the century. He set up a law practice in the town and
, in 1903 , was appointed the city's Director of Law. Baker believed strongly in the Progressive policies of Cleveland Mayor Tom L. Johnson. By 1905, Baker was a prominent member of the community and a leading figure within the local Democratic Party. He was elected to three consecutive terms as city solicitor beginning in 1905, and in 1911, he became mayor of Cleveland. Baker served as mayor from 1912 until 1916, when President Woodrow Wilson nominated him to be his Secretary of War. Wilson had previously asked him to serve as Secretary of the Interior, but Baker had refused that position.</p>
<p>Baker made an interesting choice for Secretary of War, as he had previously been known as a pacifist. His time as Secretary of War proved to be a significant time in American history. Baker sent an American expedition to Mexico to capture the Mexican outlaw Pancho Villa in 1916, and he chaired the Council of Defense with its role of preparing the United States for potential involvement in World War I. As secretary, Baker appointed General John Pershing to command the American Expeditionary Force in France during World War I.</p>
<p>When Wilson's term ended in 1921, Baker accompanied President Wilson to Paris to negotiate the Treaty of Versailles. Baker chose to return to private legal practice after the war. He became known as a successful and well-respected attorney throughout the United States, as well as serving on the board of several corporations. Baker also pursued an interest in adult education after the war, helping to organize the American Association of Adult Education (AAAE) as well as a number of other institutions. At the same time, Baker also remained an important figure within the Democratic Party.</p>