What are the earliest works in the history of China?

The first dictionary in China-Shuo Wen Jie Zi by Xu Shen in the Eastern Han Dynasty;

China's first collection of poems: The Book of Songs;

China's first collection of myths: Shan Hai Jing;

China's first collection of fairy tales: Shi Shuo Xin Yu;

China's first medical work: Huangdi Neijing;

The first hydrogeology monograph in China-Notes on Water Classics;

China s First Monograph on Literary Theory and Criticism —— Liu Xie s Wen Xin Diao Long;

China's first military work: The Art of War by Sun Tzu in the Spring and Autumn Period;

China's first agricultural encyclopedia: Qi Yao Min Shu;

China's first chronological history book: Spring and Autumn Annals by Confucius;

China's first lyric poem: Qu Yuan's Li Sao in the Warring States Period;

China's first fairy tale: looking for gods;

China's first romantic fairy tale: Wu Cheng'en The Journey to the West;

China's first Pharmacopoeia: Qin and Han Shennong's Herbal Classics;

China's first biographical history book: Historical Records by Sima Qian of Han Dynasty, etc. There are many other things besides these.