1779, Du Saber, a black businessman from Haiti, settled in Chicago. He married a man named Bertawatomi and opened the first warehouse in this area on the north bank of Chicago.
1803, the U.S. military established Fort Deere Berne here, and it was later destroyed in the massacre of Fort Deere Berne in 18 12.
18 16, Bertawatomi and other Indian tribes nearby signed the St. Louis agreement with the United States and gave up their land.
On August 1833, Chicago Town was founded with 350 residents.
With the increase of resident population, it became Chicago on March 4th, 1837, when the population was only 4 170.
In the first century of its history, Chicago was one of the fastest-growing cities in the world at that time, from the blank starting point of1at the beginning of the 9th century to 1900, exceeding10 million.
At that time, it was the only city in the world with a population of more than 1 10,000, which did not exist a century ago.
/kloc-In the 20th century, Chicago became a major city in the Midwest of the United States and a distribution center for agricultural products.
1848, the Illinois-Michigan Canal connecting Lake Michigan and Mississippi River was completed, connecting the shipping between the two waterways.
In the same year, the first railway in Chicago began to be built.
Since then, Chicago has become an important transportation hub connecting the eastern and western parts of the United States.
Convenient land and water transportation has greatly promoted the development of industry and commerce.
The prosperity of the city has attracted many foreigners to settle here, including a large number of rural population and new immigrants.
During the period of 1870- 1900, the population of Chicago soared from 299,000 to 1.7 million.
The local manufacturing and retail industries have become the dominant forces in the midwest economy, which has had a great impact on the American economy.
187 1 year1kloc-0/October 8 to 10 There was a fire in Chicago, about 6.5 "? Almost all buildings in urban areas (including commercial areas) on land were burned down, about 300 people died, 90,000 people were homeless, and property losses reached 200 million US dollars.
This is the famous Chicago fire in American history.
187 1 After the Chicago fire, Chicago quickly rebuilt and resumed its growth.
During the reconstruction period, the world's first steel-framed skyscraper was produced here, and the world reputation of Chicago's innovative urban architecture began.
1893, Chicago held the World Columbus Expo, which was a great success and attracted 27.5 million tourists.
The University of Chicago was founded here three years ago.
Chicago in this period was plagued by frequent labor conflicts and chaos, including the famous 1886 hay market riots.
The poor living conditions of the lower classes and various social problems have led to some social reform experiments, such as the Hull Building established by jane adams.
Chicago has also planned and built a number of large urban parks in the urban area.
From 1855, Chicago began to build the first complete sewage drainage system in a big city in the United States.
These measures have improved the appearance of the city and the living conditions of ordinary citizens to a certain extent.
Due to the rapid growth of population and the development of industry and commerce, the edge of Lake Michigan, as the main water source of the city, was seriously polluted during this period.
In order to solve the problem of drinking water pollution, the city built the water inlet of the waterworks two miles away from Lake Michigan, and introduced water into the city's water supply system through underwater pipelines.
However, the effect of this effort has proved to be limited, because rainwater may bring sewage from the Chicago River near the water intake.
1900, this problem has finally been completely solved.
By building water level lifting facilities and gates, the Chicago River, which originally flowed into Lake Michigan, was reversed and flowed southward into the Illinois River.
Since then, the city's sewage is no longer injected into Lake Michigan.
/kloc-during prohibition in the 1920s, Chicago underworld forces were rampant, resulting in a notorious underworld leader like al capone.
During this period, a large number of blacks living in the south began to move into Chicago and other northern cities.
1942 65438+In February, the world's first controlled nuclear reaction test was successful at the University of Chicago, completing a key link of the Manhattan Project.
1955, Richard J. Daley, who later served as the mayor of Chicago for 2 1 year, was elected mayor for the first time.
From the 1950' s, the upper and middle class residents gradually began to migrate to the suburbs of the city, which led to the decline and impoverishment of many areas in the city center.
During this period, Chicago held the 1968 Democratic National Congress, and built the iconic Hills Building, McCormick Convention Center and O'Hare Airport.
The current mayor Richard M Daley is the son of the former mayor Richard J. Daley. His policy focuses on improving the environmental quality of Chicago, and he has implemented some projects to revive declining neighborhoods and improve urban infrastructure and urban landscape along lakes and rivers.