World War I

U.S. Post Offices Takes Over Airmail Flights
On August 12, 1918, the US Post Office Department took over control of airmail service from the US Army Air Service. Under the Post Office Department, the service flourished, leading to transcontinental airmail service, which was eventually taken over by private companies.

Fort McHenry National Monument & Historic Shrine
On August 11, 1939, Congress established Fort McHenry National Monument and Historic Shrine. The monument honors and preserves this historic fort where our national anthem was born. It’s also the only place in the National Park system to be designated a Historic Shrine.

Creation of the U.S. Coast Guard
On August 4, 1790, President George Washington passed a new Tariff Act that created the United States Revenue Cutter Service, the forerunner of the US Coast Guard. The Revenue Cutter Service was America’s only armed maritime service until the Navy was formed in 1798.

Trust Territory of the Pacific Islands
On July 18, 1947, the United Nations established the Trust Territory of the Pacific Islands (TTPI) to be administered by the United States. The TTPI was founded to help these small islands recover in the wake of World War II.

Birth of Gustaf Mannerheim
Baron Carl Gustaf Emil Mannerheim was born on June 4, 1867, in Askainen, Grand Duchy of Finland, Russian Empire. A soldier, statesman, Marshal and President of Finland, Mannerheim led his countrymen though multiple wars, and is sometimes called the father of modern Finland.

Birth of John L. Hines
General John Leonard “Birdie” Hines was born on May 21, 1868, in White Sulphur Springs, West Virginia. During World War I, Hines successively commanded a regiment, brigade, division, and corps in combat. He was the first person to do that since the Civil War.

Founding of the U.S. Army Reserve
The forerunner of the US Army Reserve was established on April 23, 1908. It was the nation’s first federal reserve – providing fully-trained and prepared troops in times of need. Today, there are over 815,000 reservists across all the military branches.

Launch of the SS Saint Paul
The SS Saint Paul was launched on April 10, 1895. It was the first commercial ship commissioned for the Spanish-American War and later served during World War I.

Birth of Walter Camp
The “Father of American Football,” Walter Chauncey Camp, was born on April 7, 1859, in New Britain, Connecticut. Camp is credited with developing the rules and techniques that set American football apart from British rugby.