Introduction to the display of historical materials of the Presidential Palace: On January 1, 1912, Sun Yat-sen took office as the interim president of the Republic of China in the lobby of the former Liangjiang Governor's Office of the Qing Dynasty, announcing the end of China's thousand-year feudal monarchy. In the following more than ten years, China's warlords were engaged in disputes , wars continued, and governors-general, generals, vice-presidents, commanders-in-chief, and envoys came and went. In 1927, the Nanjing National Government was formally established. As the seat of the Executive Yuan of the Republic of China, this place gradually became China's The symbol of the highest unified political power; from 1929 to 1936 during the Republic of China, the period from 1929 to 1936 was also the period when the most infrastructure was built inside the Presidential Palace. The main gate tower, Zichao Building, auditorium and other buildings were a combination of Chinese and Western styles, each with its own strengths, forming the current Presidential Palace. architectural style and layout.