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Sierra Club founded
The Sierra Club is one of the oldest, largest, and most influential grassroots environmental organizations in the United States. -
Teller Amendment
The Teller Amendment asserted that the United States "hereby disclaims any disposition of intention to exercise sovereignty, jurisdiction, or control over said island except for pacification thereof, and asserts its determination, when that is accomplished, to leave the government and control of the island to its people." -
Spanish-American War
This was a conflict between Spain and the United States, the result of American intervention in the Cuban War of Independence. -
McKinley assassinated
William McKinley, was shot and fatally wounded inside the Temple of Music on the grounds of the Pan-American Exposition in Buffalo, New York. -
Women's Trade Union League founded
This was a U.S. organization of both working class and more well-off women formed in 1903 to support the efforts of women to organize labor unions and to eliminate sweatshop conditions. -
Hepburn Act
This was a United States federal law that gave the Interstate Commerce Commission (ICC) the power to set maximum railroad rates and extend its jurisdiction. -
"Roosevelt panic"
This was a United States financial crisis that took place when the New York Stock Exchange fell almost 50% from its peak the previous year. -
Root-Takahira agreement
This treaty was between the United States and Japan that averted a drift toward possible war by mutually acknowledging certain international policies and spheres of influence in the Pacific. -
Sixteenth Amendment
This allowed the Congress to levy an income tax without apportioning it among the states or basing it on the United States Census. -
Seventeenth Amendment
This established direct election of United States Senators by popular vote. -
Clayton Anti-Trust Act
An Act to supplement existing laws against unlawful restraints and monopolies, and for other purposes. -
World War 1 begins in Europe
Four days after Austria-Hungary declared war on Serbia, two more great European powers—Russia and Germany—declare war on each other; the same day, France orders a general mobilization. -
Federal Farm Loan Act
This was a United States federal law aimed at increasing credit to rural family farmers. -
Puerto Ricans granted U.S. citizenship
President Woodrow Wilson signed the Jones-Shafroth Act, granting Puerto Ricans U.S. citizenship. -
U.S. buys Virgin Islands from Denmark
The Senate ratified the agreement the following year and authorized the payment of $25 million for the new possessions.