Tamerlane, or Timur, was born in 1336 CE to a Muslim Turkic family in what is now Uzbekistan. In 1370, he became leader of his tribe and began a campaign of conquest which lasted for the next 35 years. From 1380 to 1389 he conquered Iran, Mesopotamia (now Iraq), Armenia, and Georgia, killing hundreds of thousands of people. In 1389 he invaded India. His army captured Delhi and Tamerlane ordered the execution of one hundred thousand captured Indian soldiers. In 1402 he defeated the Ottoman Sultan Bayezid I. He died in 1405 CE.