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Ben Franklin is appointed the first Postmaster General for the colonies.
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Lewis and Clark explore American and unclaimed territory in an attemp to find a route to the Pacific.
[Thomas Jefferson] -
John L. O'Sullivan coins the term, "Manifest Destiny".
[James K. Polk] -
Samuel Morse recieves the patent for the telegraph.
[James K. Polk] -
Alex Graham Bell's telephone is used for the first time.
[Ulysses S. Grant] -
Interstate Commerce Act signed into law.
[Grover Cleveland] -
The Ford Model T car began to be sold to the public.
[Theodore Roosevelt] -
The National Interstate and Defense Highways Act was passed.
[Dwight D. Eisenhower]