Category:Fictional elements introduced in 1827

• 1812
• 1813
• 1814
• 1815
• 1816
• 1827
• 1847
• 1851
• 1855
• 1865
• 1870

• 1770s
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• 1790s
• 1800s
• 1810s
• 1820s
• 1830s
• 1840s
• 1850s
• 1860s
• 1870s