Buildings
Which building in Chicago is the first skyscraper?
Home Insurance Building
Which year did the Great Chicago Fire happen?
a) 1889
b) 1871
c) 1869
d) 1891
b) 1871
How many years was the Willis Tower (previously called the Sears Tower) the tallest building in the world?
a) 27
b) 21
c) 19
d) 25
25 years
True or False
People made the Chicago River flow backwards so that its waters wouldn’t pollute Lake MichiganTrue