File:Flag of Tibet 1920-1925.svg - Wikimedia Commons

Flags of extinct states - Wikimedia Commons

Gallery of flags by design - Wikimedia Commons

Flags of Countries of the World in 1923

File:Flag of Tibet 1920-1925.svg - Wikimedia Commons

Albanian nationalism

Gallery of flags with crescents - Wikimedia Commons

Category:Tibet in the 1920s - Wikimedia Commons

French Mandate of Syria and Lebanon

Flags of Countries of the World in 1923

1920 Flags

Category:Flags with mountains - Wikimedia Commons