May is Jewish American Heritage Month.

May is officially known as Military Appreciation Month.

Chester Arthur was president of the United States from 

Memorial Day is always held on the last Monday of May and it dates all the way back to the Civil War.  

Watch the population of the United States grow in this quick video.

A journalist named Jacob Riis was appalled when he saw 

Between 1880 and 1920, The United States saw more than 20 million immigrants settle to make a new life. 

Thanks to a man named Lewis Hine, laws were created to 

A developer named Dan Vanderkam collected over 80,000 pictures from the New York Public Library's collection entitled "Photographic views of New York City, 1870s-1970s" 

Check out this map that shows where immigrants came from