Naval Government of Guam

Naval Government of Guam
1898–1950
Motto: E Pluribus Unum
"Out of Many, One"
Anthem: "Hail, Columbia" (until 1931)

"The Star-Spangled Banner"(from 1931)
StatusAdministered territory of the United States (1898–1899)
Unincorporated, unorganized territory[a] (1899–1941), (1944–1950)
Japanese military occupation (1941–1944)
CapitalAgana
Official languagesEnglish
Common languagesEnglish, Chamorro, Spanish
GovernmentMilitary government
President 
• 1899–1901
William McKinley
• 1901–1909
Theodore Roosevelt
• 1909–1913
William Howard Taft
• 1913–1921
Woodrow Wilson
• 1921–1923
Warren G. Harding
• 1923–1929
Calvin Coolidge
• 1929–1933
Herbert Hoover
• 1933–1945
Franklin D. Roosevelt
• 1945–1950
Harry S. Truman
Naval Governor 
• 1899–1900
Richard Phillips Leary
• 1949–1950
Carlton Skinner
Historical eraModern Era
10 December 1898
1 August 1950
Preceded by
Succeeded by
Captaincy General of the Philippines
Guam

The Naval Government of Guam was a provisional military government and later unincorporated, unorganized territory of the United States that was established during the Spanish–American War in 1898. It was under the administration of the United States Department of the Navy until the territory of Guam was organized in 1950.
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