• 1840s establishments by continent‎ (17 C)
• 1840s establishments by country‎ (127 C)

0–9

• 1840 establishments‎ (14 C, 1 P)
• 1841 establishments‎ (15 C, 2 P)
• 1842 establishments‎ (14 C, 2 P)
• 1843 establishments‎ (16 C, 1 P)
• 1844 establishments‎ (14 C)
• 1845 establishments‎ (15 C, 1 P)
• 1846 establishments‎ (15 C, 2 P)
• 1847 establishments‎ (16 C, 2 P)
• 1848 establishments‎ (15 C, 1 P)
• 1849 establishments‎ (14 C)

A

• Amusement parks opened in the 1840s‎ (3 C)
• Awards established in the 1840s‎ (7 C)

B

• Buildings and structures completed in the 1840s‎ (19 C, 5 P)

C

• Cemeteries established in the 1840s‎ (120 P)

E

• Educational institutions established in the 1840s‎ (12 C, 2 P)
• Energy companies established in the 1840s‎ (2 C)
• Event venues established in the 1840s‎ (11 C)

H

• Hotels established in the 1840s‎ (10 C, 2 P)

M

• Military installations established in the 1840s‎ (6 C, 1 P)
• Military units and formations established in the 1840s‎ (9 C, 1 P)

N

• Noble titles created in the 1840s‎ (10 C)

O

• Organizations established in the 1840s‎ (23 C, 3 P)

P

• Populated places established in the 1840s‎ (10 C, 28 P)
• Protected areas established in the 1840s‎ (6 C)
• Publications established in the 1840s‎ (13 C, 1 P)

R

• Railway stations opened in the 1840s‎ (33 C)
• Recurring events established in the 1840s‎ (12 C)

S

• States and territories established in the 1840s‎ (10 C, 3 P)
• Student organizations established in the 1840s‎ (7 C)