August 8, 2022

Chicago (English: Chicago, [ʃɨˈkɑːɡoʊ, ʃɨˈkɔːɡoʊ, tʃɨˈkɑːɡoʊ] (sound file)) is a city in Cook County, Illinois, United States. It is the county seat of Cook County. The largest city in Illinois and one of the largest cities in North America. It has the second largest population in the country after New York and Los Angeles.


From the latter half of the 19th century to the middle of the 20th century, it developed as a base for railroad, air, and water transportation in the United States, and as the center of the Great Lakes industrial area, and has a history of being the second largest city in the United States after New York. It is said to be the birthplace of American-style cities with soaring skyscrapers, and the high-rise buildings in the downtown area are known as the Chicago School, and have played an important role in the history of modern architecture. Built in 1973, the Sears Tower (now renamed Willis Tower) was the tallest building in the world until 1998. The McCormick Place complex is the largest convention center in North America, and O'Hare Airport is known as one of the most congested airports in the nation. In 2017, it was rated as the 12th largest city in the world in a comprehensive global city ranking announced by an American think tank. It is the third largest city in the United States after New York and Los Angeles. According to a March 2017 survey, it is the 7th largest financial center in the world. In 2014, it was ranked ninth in the world in terms of urban economic size (GDP). The Japanese kanji notation is "Ichigiko". People who live in Chicago are called "Chicagoans". The word "Chicago" is said to have originated from Shikaakwa, a word of the Algonquian Indians who inhabit this area. A plant similar to the Japanese alligator, which belongs to the Amaryllidaceae family Allium subfamily and grows wild in the Chicago River basin ( Allium tricoccum).


Chicago developed as a hub of inland transportation for a long time, while New York developed as a trade window for Western Europe and Los Angeles for Central America and Asia. There is a history of how it has been done. The mouth of the Illinois River has long functioned as a trading post for Indian tribes. The earliest recorded visit is by a French missionary in 1673. Settled by Dominican fur traders in 1779, Fort Dearborn was established as a military base in 1803, and settlement progressed, and in 1833 the population was about 200. Beginning in 1836 with the construction of a canal linking Lake Michigan and the Mississippi River, land speculators flocked to the city and laid the foundations for its development into a major development city. In 1837, the city was elevated to the status of a city, and the population increased rapidly. Later, the Illinois and Michigan Canal opened in 1848, and the Illinois Central Railroad opened in 1852, further enhancing its position as a cornerstone of inland transportation. The main industry at that time was agriculture, and Chicago developed as a distribution center for grains, sending wheat to cities in the east. made. In addition, the livestock industry developed, and in 1855 the Union Stock Yard, which had the largest number of cattle at that time, was established. On the other hand, because of the excellent iron deposits scattered about, the mining industry also developed, and by 1860 the population had grown to 60,000, surpassing St.