Augustus Caesar, previously known as Octavian, was the first emperor of the Roman Empire, ruling from 27 BC to 14 AD.

Khufu, also known as Cheops, was an Egyptian pharaoh of the Fourth Dynasty, who is believed to have commissioned the construction of the Great Pyramids of Giza.

Constantine XI Palaiologos was the last emperor of the Byzantine Empire, reigning from 1449 until the fall of Constantinople to the Ottoman Turks in 1453.

Tang Taizong, also known as Li Shimin, was a Chinese emperor of the Tang Dynasty, who is renowned for his military conquests and diplomatic missions that expanded the empire's influence across Asia.

Babur, a descendant of Genghis Khan and Timur, was the founder and first emperor of the Mughal Empire in India, ruling from 1526 to 1530.

Louis XIV, also known as the 'Sun King', was a French monarch who ruled from 1643 to 1715, making him one of the longest-reigning monarchs in European history.

Sophia Alekseyevna was the regent of Russia from 1682 to 1689, making her the first female ruler of the Russian Empire.

William III of Orange, also known as William of Orange, was the co-ruler of England, Scotland, and Ireland with his wife Mary II after the 'Glorious Revolution' of 1688.

Charlemagne, also known as Charles the Great, was crowned the first emperor of the Holy Roman Empire by Pope Leo III in 800 AD.

Emperor Meiji was the 122nd emperor of Japan, reigning from 1868 to 1912. He is known for his role in the Meiji Restoration, which transformed Japan from a feudal society to a modern industrialized nation.

George Washington was the first president of the United States, serving from 1789 to 1797.

Genghis Khan, also known as Temüjin, was the founder and first Great Khan of the Mongol Empire, which he expanded through military conquests across Asia.

Atahualpa was the last ruler of the Inca Empire, reigning from 1532 until his capture and execution by the Spanish conquistadors led by Francisco Pizarro.

Shaka Zulu was a Zulu king who ruled from 1816 to 1828. He is known for his military prowess, his reforms to the Zulu army, and his resistance against European colonization.

Margaret Thatcher was the first female prime minister of the United Kingdom, serving from 1979 to 1990.