Heo Jun vs Mohammad Daoud Khan

Heo Jun served as the royal physician for King Seonjo and successfully treated the king during a serious illness. This earned him royal favor and the resources to compile the Dongui Bogam.

Heo Jun was exiled due to political factional struggles after King Seonjo's death. He was later recalled by King Gwanghaegun to complete the Dongui Bogam, which was published under royal patronage.

Heo Jun completed the Dongui Bogam, a comprehensive 25-volume encyclopedia of traditional Korean medicine. The work synthesized Chinese and Korean medical knowledge, covering diagnosis, treatment, and pharmacology. It became a classic of East Asian medicine.

The Dongui Bogam was published in classical Chinese, the scholarly language of East Asia. This allowed the text to be disseminated to China and Japan, where it influenced medical practices for centuries.

Mohammad Daoud Khan, with support from military officers, overthrew the monarchy of King Zahir Shah in a bloodless coup. He abolished the monarchy and declared Afghanistan a republic, becoming its first president.

Daoud Khan formally established the Republic of Afghanistan, serving as its first President and Prime Minister. He initiated a series of social and economic reforms, including land reforms and women's rights, while centralizing power.

Daoud Khan was killed along with his family during the Saur Revolution, a coup led by the People's Democratic Party of Afghanistan (PDPA). The coup was triggered by the arrest of PDPA leaders and resulted in the establishment of a communist government.