context: Han (漢, 206 BC ~ 220) is the unification dynasty of China after Qin, and the Han Dynasty was later divided into three countries (220 ~ 280 years). The Han Dynasty was the founding of Gozo Weifang. Hannah was briefly shut down by a god who was regent. At this time, the Han is divided into the predecessors (Letter, 206–9 B.C.E.) and the Huhan (East, 25–220 years). It lasted about 400 years, is one of the most powerful periods in China's history, and today, the Han Chinese, a nation that accounts for about 92% of China, also derive from the name of the dynasty.
question: When is the foundation date of Han Dynasty?
answers.text: 206 BC