Liu Bang, also known as Emperor Gaozu of Han, founded the Han Dynasty in 202 BC after the fall of the Qin Dynasty.

Chang'an, located in present-day Xi'an, was the capital city of the Han Dynasty for most of its existence.

Liu Che, also known as Emperor Wu of Han, led successful military campaigns against the Xiongnu, a nomadic people who posed a threat to the Han Dynasty.

The Keju examination system was introduced during the Han Dynasty to select government officials based on their merit and knowledge.

Liu Xin, also known as Emperor Wang Mang, implemented Confucian reforms during his reign, including the promotion of Confucianism as the state ideology.

Sima Qian was a renowned Han historian who wrote the Records of the Grand Historian, a comprehensive historical work covering the history of China from the earliest times to the Han Dynasty.

Liu Yu, also known as Emperor Ming of Han, was a supporter of Buddhism and allowed its spread throughout China.

Huo Qubing was a brilliant Han general who led the Han forces to victory against the Xiongnu at the Battle of Mobei in 119 BC.

Liu Che, also known as Emperor Wu of Han, expanded the Han empire into Central Asia through military campaigns and diplomatic efforts.

Zhang Heng was a renowned Han astronomer and mathematician who invented the armillary sphere, an instrument used for observing celestial bodies.

Liu Xin, also known as Emperor Wang Mang, persecuted Confucian scholars and suppressed Confucianism during his reign.

Cai Lun was a renowned Han inventor who invented paper, a revolutionary material that had a profound impact on Chinese culture and technology.

Liu Yu, also known as Emperor Guangwu of Han, restored the Han Dynasty after the Xin Dynasty interregnum and established the Eastern Han Dynasty.

Liu Xiu, also known as Emperor Guangwu of Han, led the Han forces to victory against the Red Eyebrows Rebellion and restored the Han Dynasty.

Liu Che, also known as Emperor Wu of Han, is credited with establishing the 'Golden Age of the Han Dynasty', a period of peace, prosperity, and cultural flourishing.