Category:1805 in the United States

• 1805 in the United States by city‎ (2 C)
• 1805 in the United States by state or territory‎ (23 C)

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• 1805 disestablishments in the United States‎ (1 C)
• 1805 establishments in the United States‎ (25 C, 5 P)

C

• 1805 crimes in the United States‎ (1 C)

D

• 1805 disasters in the United States‎ (1 P)

L

• 1805 in American law‎ (5 C, 1 P)
• Lewis and Clark Expedition‎ (4 C, 66 P)

P

• 1805 in American politics‎ (4 C, 3 P)

• 1805 in the United States

D

• Dunbar and Hunter Expedition

L

• Larocque's expedition to Yellowstone River
• Lewis and Clark Expedition

S

• 1805 State of the Union Address

T

• Treaty of Grouseland
• Treaty of Mount Dexter