The first president of the Republic of China was Sun Yat-sen, who took office on January 1, 1912. Sun Yat-sen is often referred to as the "Father of Modern China" for his role in overthrowing the Qing Dynasty and advocating for a republic in China. His leadership marked a significant transition from imperial rule to a republic, embodying ideals of nationalism, democracy, and people's livelihood. Though his presidency was brief, his vision greatly influenced modern Chinese political development.