Category:640s

• 640‎ (2 C, 5 P)
• 641‎ (2 C, 4 P)
• 642‎ (2 C, 9 P)
• 643‎ (2 C, 4 P)
• 644‎ (2 C, 5 P)
• 645‎ (2 C, 6 P)
• 646‎ (2 C, 3 P)
• 647‎ (2 C, 2 P)
• 648‎ (2 C, 8 P)
• 649‎ (2 C, 3 P)

/

• 640s beginnings‎ (12 C)
• 640s endings‎ (12 C)

B

• 640s in the Byzantine Empire‎ (2 C, 13 P)

C

• 640s conflicts‎ (2 C, 23 P)

D

• 640s disestablishments‎ (5 C, 4 P)

E

• 640s establishments‎ (10 C, 3 P)

R

• 640s in the Rashidun Caliphate‎ (9 P)
• 640s in religion‎ (2 C)

S

• 640s in the Sasanian Empire‎ (4 P)