1. In 270 A.D., Valentine was executed. From then on, February 14th was established as Valentine's Day.

2. In 647, Gao Shilian, a minister in the Tang Dynasty of China, died.

3. In 1178, something related to the story of "Dalang, get up and drink the medicine" happened (This is a fictional and humorous statement related to a Chinese story).

4. In 1814, the Treaty of Ghent, which ended the War of 1812 between the United States and Britain, was officially ratified by the U.S. Senate.

5. In 1849, Austrian composer Franz Schubert's opera "Fierrabras" was premiered posthumously in Vienna.

6. In 1859, Oregon was admitted to the Union as the 33rd state.

7. In 1861, Jefferson Davis was elected president of the Confederate States of America.

8. In 1875, Bell applied for a patent for the telephone.

9. In 1876, Alexander Graham Bell patented the telephone.

10. In 1881, Tsar Alexander II of Russia was assassinated. His son Alexander III became the new tsar.

11. In 1895, Oscar Wilde's final play, The Importance of Being Earnest, opened at the St. James's Theatre in London.

12. In 1899, Congress approved, and President McKinley signed, legislation authorizing states to use voting machines for federal elections.

13. In 1901, after the Eight-Power Allied Forces captured Beijing, in order to reach an agreement as soon as possible, Cixi issued the "Boxer Protocol" and listed 120 ministers involved in the Boxer Rebellion on the list of the Eight-Power as culprits. Prince Zhuangqin was ordered to commit suicide.

14. In 1902, Theosophical Society founder Helena Petrovna Blavatsky was posthumously awarded the Order of the White Eagle in Bulgaria.

15. In 1903, the Department of Commerce and Labor was established.

16. In 1912, Arizona became the 48th state of the Union.

17. In 1912, People's Musician Nie Er was born.

18. In 1914, the Panama Canal Zone was officially transferred from the United States to the Panamanian government.

19. In 1915, the first modern-style beauty pageant, the Miss America Pageant, was held in Atlantic City, New Jersey.

20. In 1918, Soviet Russia began to use the Gregorian calendar.

21. In 1920, the League of Women Voters was founded in Chicago; its first president was Maude Wood Park.

22. In 1922, The Irish Free State was established under the Anglo-Irish Treaty.

23. In 1924, The first Winter Olympics opened in Chamonix, France.

24. In 1929, the "St. Valentine's Day Massacre" took place in a Chicago garage as seven rivals of Al Capone's gang were gunned down.

25. In 1933, The Reichstag fire occurred in Berlin, Germany. This event was used by the Nazi Party to suppress political opponents.

26. In 1937, In Spain, during the Spanish Civil War, the Battle of Málaga ended with the Nationalist forces capturing the city.

27. In 1943, The Battle of Kasserine Pass in North Africa during World War II reached a critical stage.

28. In 1945, Peru, Paraguay, Chile and Ecuador joined the United Nations.

29. In 1946, the world's first computer, ENIAC, was born at the University of Pennsylvania in the United States.

30. In 1946, The United Nations Security Council held its first meeting in London.

31. In 1949, Li Zongren sent 16 people including Yan Huiqing to form a peace mission and flew to Xibaipo to negotiate with the Communist Party of China. On the same day, American Counselor in China, Morton, secretly flew from Nanjing to Taipei to persuade Chen Cheng, the Chairman of Taiwan Province, to oppose Chiang Kai-shek and become independent, but Chen Cheng refused.

32. In 1951, The 20th Amendment to the United States Constitution, which deals with the terms of office of the President and Congress, was ratified.

33. In 1954, The Warsaw Pact was signed in Warsaw, Poland, establishing a military alliance of the Soviet Union and its satellite states.

34. In 1956, the 20th Congress of the Communist Party of the Soviet Union opened in the Kremlin in Moscow. Khrushchev finally made a secret report, completely denying Stalin, which shocked the world and led to the split of the entire communist movement.

35. In 1960, Jacqueline Kennedy, the First Lady, conducted a televised tour of the White House.

36. In 1962, Hu Zongnan, a first-class general in the Republic of China Army, died of illness.

37. In 1963, the China Art Museum was completed and officially opened to the public.

38. In 1964, The Beatles' first U.S. concert was held at the Washington Coliseum.

39. In 1971, Switzerland joined the International Monetary Fund.

40. In 1972, China and Mexico established diplomatic relations.

41. In 1980, The Moscow Olympics boycott began to take shape as many Western countries considered boycotting the Summer Olympics in Moscow due to the Soviet Union's invasion of Afghanistan.

42. In 1989, Iran's Ayatollah Khomeini called on Muslims to kill Salman Rushdie, author of The Satanic Verses, a novel condemned as blasphemous.

43. In 1990, Voyager 1 turned around 6.4 billion kilometers away and took a picture of the Earth, the "Pale Blue Dot" of 0.12 pixels. Carl Sagan stared at the photo and wrote, "All our arrogance is in this dot."

44. In 1991, The first Gulf War (Operation Desert Storm) was in progress, and coalition forces continued their air and ground operations against Iraq.

45. In 2003, Dolly the cloned sheep was euthanized due to severe lung disease.

46. In 2005, Palestinian President Mahmoud Abbas was sworn in after the death of Yasser Arafat.

47. In 2009, the Russian navy fired illegally and sank the Chinese cargo ship "Xinxinghao", with eight people missing.

48. In 2010, the Chinese men's football team won the East Asian Football Championship.

49. Theosophical Society founder Helena Petrovna Blavatsky was posthumously awarded the Order of the White Eagle in Bulgaria in 1902.

50. In 1920, the League of Women Voters was founded in Chicago with Maude Wood Park as its first president.