Category:Organizations established in the 2nd millennium

• Organizations established in the 11th century (13 C)
• Organizations established in the 12th century (16 C, 1 P)
• Organizations established in the 13th century (17 C)
• Organizations established in the 14th century (17 C, 1 P)
• Organizations established in the 15th century (18 C)
• Organizations established in the 16th century (19 C, 1 P)
• Organizations established in the 17th century (23 C, 4 P)
• Organizations established in the 18th century (25 C, 1 P)
• Organizations established in the 19th century (25 C, 2 P)
• Organizations established in the 20th century (26 C, 7 P)

A

• Arts organizations established in the 2nd millennium (5 C)

E

• Educational organizations established in the 2nd millennium (13 C)

H

• Hospitals established in the 2nd millennium (10 C)

M

• Military units and formations established in the 2nd millennium (10 C)