Category:20th century in international relations

• 1900s in international relations (10 C, 2 P)
• 1910s in international relations (12 C, 3 P)
• 1920s in international relations (12 C)
• 1930s in international relations (11 C, 1 P)
• 1940s in international relations (12 C, 1 P)
• 1950s in international relations (11 C, 1 P)
• 1960s in international relations (11 C, 5 P)
• 1970s in international relations (11 C, 4 P)
• 1980s in international relations (11 C, 3 P)
• 1990s in international relations (13 C, 6 P)

B

• Baltic diplomatic missions (18 P)

C

• Cold War (23 C, 181 P)
• Foreign relations of Czechoslovakia (11 C, 12 P)

D

• 20th-century diplomatic conferences (7 C, 225 P)
• Diplomatic crises of the 20th century (2 C, 29 P)
• 20th-century diplomats (14 C, 140 P)

G

• Foreign relations of East Germany (9 C, 11 P)
• Foreign relations of West Germany (2 C, 1 P)

H

• History of international relations (1918–1939) (15 C, 4 P)

I

• Foreign relations during the Iran–Iraq War (2 C, 20 P)

L

• Lists of sovereign states in the 20th century (10 P)

M

• 20th-century military alliances (11 C, 74 P)

N

• Non-Aligned Movement (4 C, 30 P)

R

• Foreign relations of Rhodesia (8 C, 11 P)
• Foreign relations of the Russian Empire (10 C, 14 P)

S

• Foreign relations of the Soviet Union (35 C, 125 P)

T

• 20th-century treaties (146 C, 2 P)