British Empire: At its zenith, it was the largest empire in history, covering 24% of Earth's land area. 

Mongol Empire: Under Genghis Khan, it became the largest contiguous empire, stretching across vast territories in Eurasia. 

Roman Empire: A cornerstone of Western civilization, it dominated the ancient world for centuries. oss vast territories in Eurasia. 

Achaemenid Empire: Also known as the Persian Empire, it was one of the largest empires in history. 

Maurya Empire: Founded by Chandragupta Maurya, it was the largest empire in the Indian subcontinent's history. 

Umayyad Caliphate: At its peak, it was the fifth largest empire in history, covering over 10% of the world's territory. 

Qing Dynasty: The last imperial dynasty of China, it was the fourth largest empire in history. 

Spanish Empire: In the 16th century, it was an expert in colonization, covering about 13% of Earth's landmass. 

Russian Empire: The second-largest contiguous empire, stretching from Eastern Europe to Alaska. 

 Yuan Dynasty: Established by Kublai Khan, it integrated vast Mongol territories into China's imperial framework.