The Purchase of Alaska from Russia was completed on October 18th, 1867, adding 586,412 square miles to the U.S. territory for only $7.2 million, less than two cents an acre.

Grand Central Station, or simply Grand Central, is a New York City train station and the second busiest in the world, behind Manhattan’s Penn Station. The station took 10 years to construct leveraging 10,000 workers and opened in 1913.

Sacco and Vanzetti were Italian anarchists that fit the profile of the suspects in an armed robbery case and were quickly sentenced to death, which sparked outcries over racial profiling and social justice.

George Washington was born in Virginia in 1732 and would soon exhibit both mathematical and leadership abilities that led to his roles as commander-in-chief of the Continental Army and ultimately of the United States.

As the British attempted to sever American patriot supply lines in the ports surrounding Long Island, George Washington moved his troops to defend Revolutionary War supplies and efforts. The battle would become one of the bloodiest days to date.

The Palmer Raids were a series of arrests, interrogations and deportations of suspected immigrant anarchists, socialists and communists radicalizing within the United States.

The Scopes Monkey Trial was a public case in Dayton, Tennessee, regarding the teaching of evolution in schools defying the Christian fundamentalist belief in creationism. While evolutionists lost the legal case, Christian fundamentalists lost in the court of public opinion.