Category:Decades in Illinois

• Sports in Illinois by decade (16 C)
• Disestablishments in Illinois by decade (22 C)
• Establishments in Illinois by decade (27 C)

0–9

• 1770s in the Northwest Territory (2 C)
• 1780s in the Northwest Territory (4 C, 1 P)
• 1790s in the Northwest Territory (11 C, 1 P)
• 1800s in the Northwest Territory (4 C)
• 1810s in Illinois (5 C)
• 1810s in Illinois Territory (9 C, 1 P)
• 1820s in Illinois (12 C)
• 1830s in Illinois (15 C, 3 P)
• 1840s in Illinois (14 C, 2 P)
• 1850s in Illinois (14 C, 1 P)
• 1860s in Illinois (14 C, 2 P)
• 1870s in Illinois (15 C, 1 P)
• 1880s in Illinois (15 C)
• 1890s in Illinois (15 C)
• 1900s in Illinois (15 C, 1 P)
• 1910s in Illinois (15 C, 1 P)
• 1920s in Illinois (15 C)
• 1930s in Illinois (15 C)
• 1940s in Illinois (16 C, 2 P)
• 1950s in Illinois (15 C)
• 1960s in Illinois (15 C, 2 P)
• 1970s in Illinois (15 C, 2 P)
• 1980s in Illinois (16 C, 1 P)
• 1990s in Illinois (15 C, 2 P)
• 2000s in Illinois (16 C, 1 P)
• 2010s in Illinois (16 C, 1 P)
• 2020s in Illinois (16 C, 5 P)

C

• Decades in Chicago (20 C)
• Decades in Cook County, Illinois (3 C)
• Crimes in Illinois by decade (2 C)

E

• Illinois elections by decade (22 C)