Category:21st century in international relations

• 2000s in international relations‎ (11 C, 6 P)
• 2010s in international relations‎ (14 C, 13 P)
• 2020s in international relations‎ (8 C, 11 P)

C

• 21st-century conflicts‎ (37 C, 46 P)

D

• 21st-century diplomatic conferences‎ (310 P)
• 21st-century diplomats‎ (7 C, 109 P)

M

• 21st-century military alliances‎ (3 C, 29 P)

N

• Non-Aligned Movement‎ (4 C, 18 P)

S

• Lists of sovereign states in the 21st century‎ (3 P)

T

• 21st-century treaties‎ (26 C, 2 P)

C

• List of Commonwealth visits made by Elizabeth II
• Croatia–Slovenia border disputes

F

• Foreign fighters in the Syrian Civil War and War in Iraq

G

• Global Minnesota

H

• List of international prime ministerial trips made by Sheikh Hasina

I

• List of international prime ministerial trips made by Imran Khan
• List of international presidential trips made by George W. Bush
• List of international presidential trips made by Joko Widodo
• List of international presidential trips made by Rodrigo Duterte
• List of international prime ministerial trips made by Ismail Sabri Yaakob
• List of international trips made by Nayib Bukele

J

• Shimoda Conference
• List of international prime ministerial trips made by Boris Johnson

L

• List of international presidential trips made by Cyril Ramaphosa
• List of international prime ministerial trips made by David Cameron
• List of national border changes (1914–present)
• List of international presidential trips made by Recep Tayyip Erdoğan

M

• List of international prime ministerial trips made by Theresa May
• List of international presidential trips made by Dmitry Medvedev
• List of international trips made by Kyriakos Mitsotakis
• List of international prime ministerial trips made by Scott Morrison

N

• Non-Aligned Movement

P

• List of international prime ministerial trips made by Nikol Pashinyan
• Polar Research and Policy Initiative
• List of international presidential trips made by Barack Obama
• List of international presidential trips made by Donald Trump
• List of official trips made by Edi Rama
• List of international presidential trips made by Joe Biden

Q

• Qatar–Saudi Arabia diplomatic conflict

R

• List of international presidential trips made by Marcelo Rebelo de Sousa

S

• List of international prime ministerial trips made by Antonis Samaras
• List of state visits made by Elizabeth II

T

• List of international prime ministerial trips made by Liz Truss
• List of international prime ministerial trips made by Alexis Tsipras