1. In 757, on January 30, An Lushan was killed by his son An Qingxu.

2. In 1608, on January 30, Ben Jonson's first play Every Man in His Humour premiered in England.

3. In 1649, on January 30, King Charles I of England was beheaded.

4. In 1820, on January 30, Antarctica was discovered.

5. In 1862, on January 30, Aixinjueluo Zaitong, the eighth emperor of the Qing Dynasty after its entry into the pass, began to use the era name "Tongzhi".

6. In 1865, on January 30, French missionary Armand David discovered the Père David's deer south of Beijing.

7. In 1866, on January 30, the Père David's deer was introduced to Europe.

8. In 1900, on January 30, Chinese historian Lv Zhenyu was born.

9. In 1911, on January 30, the Hubei revolutionary group Wenxue Society was established in Wuchang.

10. In 1911, on January 30, Taal Volcano erupted in the Philippines.

11. In 1914, on January 30, Hollywood became the world's film center.

12. In 1926, on January 30, British troops withdrew from the Rhineland.

13. In 1928, on January 30, in the Guangdong-Guangxi War, the Guangxi Clique defeated the Guangdong Clique.

14. In 1932, on January 30, the Japanese army attacked Harbin.

15. In 1933, on January 30, the Japanese army attacked Nanling.

16. In 1933, on January 30, the "China League for the Protection of Civil Rights" Beijing Branch was established.

17. In 1933, on January 30, Hitler was appointed Chancellor of Germany.

18. In 1934, on January 30, Tao Shangming, the Luan-Yu Administrative Commissioner, reached an agreement with Japanese spy chief Iga in Tianjin to correct the Yuguan Receiving Plan.

19. In 1935, on January 30, Akira Ariyoshi met with Chiang Kai-shek to discuss Sino-Japanese friendship.

20. In 1936, on January 30, Chiang Kai-shek hosted a banquet to bid farewell to Akira Ariyoshi.

21. In 1936, on January 30, the Northeast People's Revolutionary Army No. 6 Corps was established.

22. In 1937, on January 30, Japanese Youth Party leader Hashimoto Saku visited Song Zheyuan in Tianjin.

23. In 1937, on January 30, Hitler pledged not to violate the neutrality of Belgium and the Netherlands.

24. In 1937, on January 30, Zhou Enlai and Ye Jianying went to Yunyang Town to discuss the Xi'an peace and war issue.

25. In 1938, on January 30, the Japanese army occupied Dingyuan and Bengbu in Anhui.

26. In 1938, on January 30, the Japanese army carried out the Hedong Massacre in Zichuan County, Shandong Province.

27. In 1938, on January 30, the Japanese General Staff formulated the Outline Draft of the War Guidance Plan after 1938.

28. In 1939, on January 30, the Japanese army occupied Yangwu, northern Henan.

29. In 1939, on January 30, Wang Kemin, Liang Hongzhi and others launched the "Peace Salvation Association" in Beiping.

30. In 1940, on January 30, the National Government's Military Affairs Department formulated the Plan to Prevent the Unruly Actions of the Communist Party's Troops.

31. In 1940, on January 30, the Communist Party of China Central Committee issued the Instruction on Armed Self-Defense against the Attack of the Reactionary Forces.

32. In 1941, on January 30, Tōjō Hideki said in a parliamentary reply that "North China is the base of the Japanese."

33. In 1943, on January 30, the Anglo-American air force attacked Berlin.

34. In 1946, on January 30, the United Nations General Assembly held its first meeting in London.

35. In 1947, on January 30, the Shandong and East China Field Armies were merged, and the New Fourth Army designation was revoked.

36. In 1948, on January 30, Gandhi was assassinated.

37. In 1952, on January 30, American mathematicians discovered the 13th and 14th Mersenne primes using a computer.

38. In 1957, on January 30, the United States announced that it had a hydrogen bomb.

39. In 1966, on January 30, Purple Mountain Observatory discovered an asteroid later named "Anhui".

40. In 1968, on January 30, the Viet Cong launched the Tet Offensive.

41. In 1969, on January 30, Li Zongren, a patriotic figure, died.

42. In 1982, on January 30, the State Council of China issued the Regulations of the People's Republic of China on the Exploitation of Offshore Petroleum Resources in Cooperation with Foreign Enterprises.

43. In 1983, on January 30, Chinese physicist Wang Zhuxi died.

44. In 1984, on January 30, Apple Computer introduced the Macintosh.

45. In 1992, on January 30, China established diplomatic relations with Moldova.

46. In 1993, on January 30, U.S. troops withdrew from Somalia.

47. In 1995, on January 30, Jiang Zemin put forward eight propositions to promote the peaceful reunification of the motherland.

48. In 2001, on January 30, Elaine Chao became a U.S. secretary.

49. In 2003, on January 30, Belgium became the second country in the world to recognize same-sex marriage.

50. In 2013, on January 30, South Korea's Naro Space Launch Vehicle lifted off successfully.