During the 1800s, the US government was forcibly relocating Indian tribes from all over the country into the area known as Oklahoma Territory. There was one parcel of land that was never given over to any Indian tribe - the Unassigned Lands. In the 1880s, many frontier Americans wanted to move into this land. Soon, landless pioneers began slipping over into this area without authorization. These were the "Boomers," who were trying to force the government into opening the territory up to homesteaders.
On March 2, 1889, President Benjamin Harrison signed legislation that opened up the Unassigned Lands. So, on April 22, 1889, about 50,000 homesteaders gathered at the boundaries. Some people snuck over at night to stake out prime land early, hiding from the army patrols. These were known as "Sooners."

At noon, the cannon roared, and the hordes of people streamed over the line on wagons and buckboards, horseback, on foot and even on bicycles. Soon, nearly 10,000 people had staked out claims near the Oklahoma Station - what today is Oklahoma City. Claim jumping was common, as were boundary quarrels that led to fights and considerable bloodshed. Tents were thrown up in haphazard fashion, and mass confusion reigned supreme.
Congress had made no provision for city government, so leaders had to be chosen to restore order. A provisional government was selected, and elections were held on May 1 to select permanent officials. A month after the Land Run, the Commercial Club was formed, which was later renamed the Oklahoma City Chamber of Commerce. The Chamber began attracting railroads to Oklahoma City, and the new town was well on its way to economic prosperity.
By 1900, the population had doubled.
Statehood came for Oklahoma on November 16, 1907. There were brick buildings, streets were lined with fashionable shops, stores and restaurants. Oklahoma City was a center of commerce. The Chamber attracted industry and a number of packing plants in what is now Stockyards City. Back then it was known as Packing Town.
In 1910, with a population of 64,000, there was a petition to move the state capitol from Guthrie to Oklahoma City. With enough signatures, there was a popular vote, which Oklahoma City won. That night, Governor Charles Haskell and a group of conspirators gathered at the Lee-Huckins Hotel. After a midnight trip to Guthrie to retrieve the State Seal, the governor declared the hotel the temporary capitol building. The permanent state capitol, located at Lincoln and 23rd Avenue, was dedicated in 1917. A dome was originally called for, but excessive costs and a wartime shortage of building materials ended that idea.

On December 4, 1928, oil was discovered on the corner of SE 59th and Bryant. In the 27 days before the great gusher could be capped, it spewed 110,496 barrels of oil. The Oklahoma City Field had been discovered, creating the city's most important financial source and making Oklahoma City the world's newest boom town. Oil continues to be one the most important players in this city's economy.