1540-1542: Francisco Vazquez de Coronado explores Arizona
searching for the Fabled Seven Cities of Cibola.
1600's-1700's: Spanish miners descend upon the region
searching for silver.
1848: As a result of the Mexican War, Mexico cedes
much of Arizona to the United States.
1849: Thousands of prospectors travel through Arizona
on their way to the California Gold Rush.
of Arizona is organized into the New Mexico Territory.
1853: Authorized by President Franklin Pierce, the
remainder of Arizona is purchased in the Gadsden
1862: Union military forces score a minor victory
at the Battle of Pacacho Pass. This battle marked
the only battle fought in Arizona during the war.
attack U.S. soldiers - which begins a ten year
war with the settlers.
1863: The Territory of Arizona is created from the
New Mexico Territory.
1864: Kit Carson captures 7,000 Navajos and makes them
leave Arizona in what came to be known as "The
1869: John Wesley Powell explores the Grand Canyon
in a boat
1877: The Desert Land Act of 1877, giving settlers
640 acres in the region, attracts thousands of settlers.
1878: The boomtown of Tombstone is founded. The town
came to epitomize the "Wild West" and
was the scene of the famous Gunfight at the O.K.
Corral, which lead to a prolonged political feud
in the region.
1919: Grand Canyon National Park is founded.
1936: The Hoover Dam is finished
1948: Native Americans gain the right to vote
1975: Raul H. Castro becomes the first Mexican-
American Governor or Arizona
1981: First woman on the U.S. Supreme court, Sandra
Day O' Connor is elected.