No city is born instantly; there is always some history or an event which leads to its formation. The history of Chicago begins with the French explorers, named Marquette and Jolliet in 1673. They were the first outsider to set foot on this land which later became Chicago. Later on in 1677 a church was build to convert the natives to Christianity. The major event in the history of Chicago was the permanent settlement of the non-native settler named jean Baptiste Point du Sable in 1780, however, by 1800s he left Chicago, still later on in 1986 he was honored as the city founder.
The US first set foot in this city in 1795 under the Treaty of Greenville and the first recorded birth, happened in 1796. The next major incident took place when US built a fort in 1803; however, it was destroyed by British in the first war ever fought in Chicago in 1812 and when the war ended the land was given back to the US under the treaty signed in 1816. According to the historians the year 1830 was a golden year for Chicago as it was given official recognition. Once that was done people from other countries started migrating here seeing the city