The Grand Canyon National Monument was created.
The New Year's Eve Ball was lowered in New York Times Square for the very first time.
Oklahoma became the 46th state to join the United States of America.
The Great White Fleet began its worldwide navigation.
Charles Curtis started his six-year term as the first Native American US Senator.
The first historically Black intercollegiate Greek-lettered fraternity, Alpha Phi Alpha, was founded.
Theodore Roosevelt became the first US president to visit another country while in office, visiting Puerto Rico and Panama.
Black soldiers were blamed for raiding a bar in Brownsville, Texas, US.
The United States Congress passed the Meat Inspection Act and Pure Food and Drug Act.
A devastating earthquake in San Francisco destroyed over 80% of the city.
Kellogg's Foods was founded in Kalamazoo, Michigan, USA.
Frank Steunenberg, the former governor of Idaho, was assassinated outside his home.
Photographer Alfred Stieglitz opened The Little Galleries of the Photo-Secession in Manhattan, New York.
Las Vegas was officially founded.
American businessman King Camp Gillette was granted his patent for the safety razor.
Fingerprinting was first officially used in the US in a St. Louis police department.
New York City subway opens.
Snow Chains Patented.
The United States takes over the construction of the Panama Canal.
The Williamsburg suspension bridge opened.
The first sustained motorized aircraft flight took place.
Hay-Bunau-Varilla Treaty signed between Panama and the US.
The iconic Niagara Falls waterfall ran out of water during a drought.
The United States of America leased Guantanamo Bay from Cuba, with the lease lasting an indefinite period.
Massachusetts's Marconi Wireless Station Site successfully sent the first radio transmission between the US and Europe.
The famous elephant called Topsy was executed at Luna Park, Coney Island, in New York.
Theodore Roosevelt became the first US President to appear in an automobile publicly.
One hundred and forty thousand miners went on strike in Pennsylvania.
J.C. Penney's opened their first store in Kemmerer, Wyoming.
Texaco was formed.
On her 63rd birthday, American school teacher Annie Taylor was the first person to go over Niagara Falls in a barrel.
President Theodore Roosevelt changed the name of the 'Executive Mansion' to 'The White House.'
Theodore Roosevelt became the US president after former president William McKinley died from gunshot wounds.
New York state became the first to require license plates on automobiles.
J.P. Morgan incorporated the US Steel Corporation.
The USS Holland (SS-1) became the first modern submarine commissioned for the United States Navy.
Firestone Tire and Rubber Company is founded.
Hawaii became a US territory when President William McKinley signed it into law.
The US Navy bought their first-ever submarine called the USS Holland or SS-1.
The Rapid Transit Railroad broke ground on a new underground subway to link Manhattan and Brooklyn.
The Battle of Tirad Pass was fought.
The first case of the bubonic plague was announced in Honolulu.
Henry Bliss became the first person killed in an automobile accident in the United States.
The first-ever message was sent from a ship to the shore at Cliff House, San Francisco.
The Treaty of Paris was signed.
Wilmington riots begin.
The largest music fraternity in the USA, Phi Mu Alpha Sinfonia, was founded.
The US Navy claimed the island of Guam, which was previously under Spanish control.
American Astronomer William Henry Pickering discovered Phoebe, one of Saturn's moons.
Martha Hughes Cannon of Utah became the first elected female State Senator in the United States.
