Category:Plaques referencing the 1820s

• Plaques referencing 1820 (23 C)
• Plaques referencing 1821 (25 C, 2 F)
• Plaques referencing 1822 (24 C)
• Plaques referencing 1823 (16 C)
• Plaques referencing 1824 (20 C, 1 F)
• Plaques referencing 1825 (20 C)
• Plaques referencing 1826 (18 C, 1 F)
• Plaques referencing 1827 (23 C)
• Plaques referencing 1828 (23 C, 1 F)
• Plaques referencing 1829 (16 C, 4 F)
• 1820s here-was-born plaques (7 C)
• 1820s here-died plaques (8 C)

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• Plaques referencing the 1820s in the United States (10 C, 3 F)