The United States Coast Guard was formed by an act passed by the US Congress.
Source
Flagellation, also known as flogging, whipping, or lashing, was banned by the US Army.
The USS Indianapolis vessel was torpedoed and sunk.
The United States Marine Corps was founded when two battalions of Continental Marines came together in Philadelphia, Pennsylvania.
The US army enlisted its first female colonel, Julia Flikke.
Palermo, Sicily was liberated by US forces.