Category:Fictional elements introduced in 1855

• 1815
• 1816
• 1827
• 1847
• 1851
• 1855
• 1865
• 1870
• 1871
• 1882
• 1883

• 1800s
• 1810s
• 1820s
• 1830s
• 1840s
• 1850s
• 1860s
• 1870s
• 1880s
• 1890s
• 1900s