Genghis Khan (c. 1162–1227), born Temujin, was the founder of the Mongol Empire, the largest contiguous land empire in history. Orphaned young and raised in extreme hardship, he united the fractious Mongol tribes by 1206 and was proclaimed 'Genghis Khan.' He then launched massive campaigns that stretched his empire from the Pacific Ocean to Eastern Europe.
Genghis Khan promulgated the Great Yasa legal code, established a decimal military-administrative system, created a vast postal relay network, and practiced religious tolerance that was remarkable for the era. He reopened and secured the Silk Road, enabling unprecedented trade and cultural exchange across Eurasia. While his conquests caused enormous destruction, his institutional innovations and vision of transcontinental governance fundamentally reshaped the world's political and cultural landscape.
