Kansas entered the Union, making it the 34th state to join the United States of America.
The state of Georgia seceded from the United States of America.
The first shots of the American Civil War are fired.
South Carolina seceded from the United States of America.
Abraham Lincoln was elected the 16th president of the United States of America.
At 11 years old, Grace Bedell wrote to Abraham Lincoln, saying he should grow a beard.
James Wallace Black took the USA's first aerial photo in Boston from a hot air balloon.
The US Congress announced the United States Government Publishing Office formation.
The Republican Party nominated Abraham Lincoln for president at the 1860 Republican National Convention.
The mail delivery system known as the Pony Express started.
American driller Edwin Laurentine Drake successfully drilled the first oil well in Pennsylvania, US.
Balloonist John Wise started the world's first airmail service by balloon from Lafayette to Crawfordsville, Indiana.
Inventor Otis Tufts patented the first elevator in the US.
The American Dental Association was founded in Niagara Falls, New York.
The First Zoological Society in the US was formed in Philadelphia.
Oregon became the 33rd state to join the United States of America.
Hawaii was shaken by an eruption of the Mauna Loa volcano that lasted 300 days and destroyed a coastal village.
Macy's Department Store first opened.
Charles Reed Bishop founded First Hawaiian Bank and opened its first branch in Honolulu.
Queen Victoria of Britain sent the first-ever transatlantic telegraph to US President James Buchanan.
Letter collections started being collected from mailboxes in Boston, US.
Minnesota became the 32nd state to join the United States of America.
The first American Chess Congress started in New York.
Elisha Otis installed his first commercial elevator at 488 Broadway in New York City, US.
The National Association of Baseball Players was established in New York.
Senator Brooks from South Carolina used a cane to hit a Massachusetts Senator, Charles Sumner, after Sumner criticized slave owners.
Daniel Halladay patented the self-governing windmill.
The first class of students graduated from the United States Naval Academy.
The United States bought 45,000 square miles of land from Mexico.
The first recorded potato chip was created by chef George Crum in Saratoga Springs, New York.
New York City allocated hundreds of acres of land in Manhattan for Central Park.
Pierce's son killed.
Lake Merced, California, was found to have sunk 30 feet (9 meters).
Harriet Beecher Stowe publishes her novel Uncle Tom's Cabin.
The New York Times published its first issue.
The First America's Cup is held.
Fruit producer company Dole was founded in Hawaii.
Black women's rights activist Sojourner Truth gave her famous speech 'Ain't I A Woman?' at the Women's Rights Convention in Akron, Ohio.
The sixth major fire in San Francisco occurred.
The Hawaiian Fire Department was established.
The fourth great fire of San Francisco happened, destroying a considerable portion of the city.
California became the 31st state to join the United States of America.
Honolulu became an official city.
Millard Fillmore sworn in as 13th U.S. president.
President Zachary Taylor dies after 16 months in office.
The Women's College of Pennsylvania, US opened – making it the 2nd female medical school in America.
The first great fire of early San Francisco started on the east side of the Plaza.
Harriet Tubman escaped from slavery.
The US held its first poultry show at Boston's Public Garden.
Author Edgar Allan Poe was last seen alive. He was disorientated, lying in a gutter in Baltimore, Maryland, US.
