* 1882 Thomas Edison built the first electrical power station to light homes and businesses.
* 1915 Over nine million phones were being used to communicate. The inventor was Alexander Graham Bell.
* 1909 The Triangle Shirtwaist Factory fire killed over 100 people and helped convince people to make laws forcing factory safety.
* 1880 John D. Rockefeller and his Standard Oil Company owned 95% of the countries oil refineries creating a monopoly.
* By 1900 over four million immigrants had moved to America.
* 1882 Congress passed the Chinese Exclusion Act banning all Chinese people from immigrating to the US.
* By 1903 43 states had passed laws outlawing child labor.
* 1909 The NAACP was formed to work toward equal rights and opportunities for all African Americans.
* 1913 the 16th Amendment was passed, allowing the government to create an income tax
* 1919 the 19th Amendment passed giving women the right to vote.
* 1913 the 17th Amendment passed allowing direct election of Senators.
* 1919 the 18th Amendment passed prohibiting the sale of alcohol.