Emperor Gaozu of Han (, 256 BC or 247 BC – 195 BC) was the founder of Han Dynasty. He ruled China from 202 BC until 195 BC. His name was Liu Bang and Ji was his courtesy name. He was born in Yang Li City. After defeating the great King, Xiang Yu, Emperor Gaozu of Han unified China and became the first emperor of Han Dynasty. Emperor Weidi of Han, Gaozu's son, was the 2nd emperor of Han Dynasty.