(national flag)
 
Abbasid Caliphate
 
Sultanate of Aceh
 
Achaemenid Persian Empire
 
Afsharid Iran
 
Ajuran Sultanate
 
Angevin Empire
 
Aq Qoyunlu
 
Crown of Aragon
 
Kingdom of Ashanti
 
Austrian Empire
 
Austro-Hungarian Empire
 
Austria-Hungary (civil ensign)
 
Axum (alleged)
 
Ayutthaya Kingdom
 
Ayyubid Dynasty
 
Babylonia
 
Bacan Sultanate
 
Banjar Sultanate
 
Kingdom of Bali
 
Sultanate of Banten
 
Belgian colonial empire
 
Bornu Empire
 
Empire of Brazil
 
British Empire
 
Bruneian Sultanate
 
Khanate of Bukhara
 
First Bulgarian Empire
 
Second Bulgarian Empire
 
Burgundian State
 
Buyid dynasty (possibly)
 
Byzantine Empire (Palaiologos dynasty)
 
Central African Empire
 
Chagatai Khanate
 
Empire of China (1915–16)
 
Chola Kingdom
 
Commonwealth of England
 
Congo Free State
 
Emirate/Caliphate of Córdoba (Abd al-Rahman III)
 
Crimean Khanate
 
Danish empire
 
Delhi Sultanate
 
Durrani Empire
 
Dutch Empire
 
Dzungar Khanate
 
Ethiopian Empire
 
Frankish Empire (possibly)
 
French Empire
 
Genoese Republic
 
Georgian Kingdom
 
German Empire
 
German colonial empire
 
Ghaznavid Dynasty
 
Ghurid Dynasty
 
Goguryeo
 
Goryeo
 
Golden Horde
 
Gowa Sultanate
 
Gran Colombia
 
Greco-Bactrian Kingdom (possibly)
 
Hafsid dynasty (possibly)
 
First Haitian Empire
 
Second Haitian Empire
 
Holy Roman Empire
 
Hotak Dynasty
 
Kingdom of Hungary
 
Iberian Union
 
Ilkhanate
 
Inca Empire
 
Italian Empire
 
Japanese Empire
 
Japanese Empire (naval ensign)
 
Kingdom of Kaimana
 
Kalmar Union
 
Kanem Empire
 
Khmer Empire
Kievan Rus
Kievan Rus
 
Konbaung Dynasty
 
Korea
 
Republic of Lanfang
 
Lan Xang
 
Latin Empire
 
Liao dynasty (possibly)
 
Grand Duchy of Lithuania
 
Macedonian Empire (possibly)
 
Magadha Empire
 
Majapahit Empire
 
Mali Empire
 
Mamluk Sultanate (possibly)
 
Manchukuo
 
Maratha Empire
 
Marinid Sultanate
 
Massina Empire
 
Sultanate of Mataram
 
Maurya Empire
 
Merina Kingdom
 
First Mexican Empire
 
Second Mexican Empire
 
Mongol Empire (possibly)
 
Mughal Empire
 
Nazi Germany
 
Emirate of Nejd and Hasa
 
Neo-Assyrian Empire (possibly, symbol only)
 
Neo-Babylonian Empire (possibly, symbol only)
 
Neo-Parthian Empire
 
Kingdom of Nepal (possibly)
 
Nguyễn Dynasty
 
Omani Empire
 
Ottoman Empire
 
Ottoman Empire
 
Kingdom of Poland
 
Polish-Lithuanian Commonwealth (one of many variations)
 
Portuguese Empire (one of many variations)
 
Ptolemaic Kingdom (eagle only)
 
Purépecha Empire (Glyph only)
 
Qajar Iran
 
Qara Qoyunlu (possibly)
 
Qing Dynasty
 
Rashidun Caliphate (possibly)
 
Roman Empire
 
Western Roman Empire (possibly)
 
Ror
 
Rozvi Empire (modern reconstruction)
 
Russian Empire
 
Russian Empire (black-yellow-white)
 
Russian Empire (private use)
 
Safavid Empire
 
Sassanid Empire
 
Sultanate of Selangor
 
Serbian Empire
 
Kingdom of Siam
 
Sikh Empire
 
Sokoto Caliphate
 
Spanish Empire
 
Sulu Sultanate
 
Swedish Empire
 
Sweden-Norway
 
Tahirid dynasty
 
Tang dynasty (war flag?)
 
Taungoo Dynasty
 
Ternate Sultanate
 
Tibetan Empire
 
Timurid Empire (possibly)
 
Empire of Trebizond
 
Tu'i Tonga Empire
 
Umayyad Caliphate
 
Uyghur Khaganate (possibly)
 
Republic of Venice
 
Vijayanagara Empire
 
Wari Empire (debated)
 
Western Roman Empire
 
Western Xia (possibly)
 
Xianbei (possibly)
 
Yogyakarta Sultanate
 
Zand Dynasty (disputed)
 
Sultanate of Zanzibar

See also

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