C

• [+] Companies established in 1823 (1 C, 10 P)

E

• [+] Educational institutions established in 1823 (1 C, 16 P)

O

• [+] Organizations established in 1823 (1 C, 2 P)

P

• [+] Publications established in 1823 (8 P)

R

• [+] Railway lines opened in 1823 (1 P)
• [+] Recurring events established in 1823 (1 P)

S

• [+] Settlements established in 1823 (19 P)
• [+] States and territories established in 1823 (5 P)

A

• Annsville, New York
• Athenaeum Club, London

B

• Batavia Cemetery
• Brandywine Shoal Light

C

• Cabanne's Trading Post
• Calloway County, Kentucky
• Catholic Association

C cont.

• Cavendish House
• Chatham Garden Theatre

H

• Heroic Military Academy (Mexico)

L

• Las Flores Estancia

M

• Mission San Francisco Solano

N

• New York State Circuit Courts

O

• Obion County, Tennessee

O cont.

• Oxford Union

R

• Royal Manchester Institution
• Royal Society of British Artists

S

• Sydney Royal Easter Show

T

• Texas Ranger Division

Y

• Yates County, New York