1904: Birthday of writer Ba Jin.
1926: Physicist Li Zhengdao was born.
1979: "Bohai No. 2", a drilling ship, capsized in Bohai Bay, killing 72 people and leading to direct economic losses of 37 million yuan.
1986: The Yangtze River Exploration Team completed a five-month scientific exploration.
2013: China successfully launched Experiment-5 satellite, which will conduct technological experiments and environmental surveys.