‌# 31 may 2005 – Vanity Fair reveals that Mark Felt was "Deep Throat".

‌# 30 May 1631 – Publication of Gazette de France, the first French newspaper.

# 29 May 1913 – Igor Stravinsky's ballet score The Rite of Spring receives its premiere performance in Paris, France, provoking a riot.

# 28 May 1871 – Fall of the Paris Commune. 

# 27 May 1905 – Russo-Japanese War: The Battle of Tsushima begins.

# 26 May 1897 – Dracula, a novel by Irish author Bram Stoker, is published.

# 25 May 1953 – Nuclear weapons testing: At the Nevada Test Site, the United States conducts its first and only nuclear artillery test.

# 24 May 1830 – "Mary Had a Little Lamb" by Sarah Josepha Hale is published.

# 23 May Roh committed suicide on 23 May 2009 by jumping from a mountain cliff behind his home, after saying that "there are too many people suffering because of me" on a suicide note on his PC.
"I am in debt to so many people. I have caused too great a burden to be placed upon them. I can't begin to fathom the countless agonies down the road. The rest of my life would only be a burden for others. I am unable to do anything because of poor health. I can't read, I can't write. Do not be too sad. Isn't life and death all a part of nature? Do not be sorry. Do not feel resentment toward anyone. It is fate. Cremate me. And leave only a small tombstone near home. I've thought on this for a long time"

# 22 May 1990 – North and South Yemen are unified to create the Republic of Yemen.

# 21 May 1871 – French troops invade the Paris Commune and engage its residents in street fighting. By the close of "Bloody Week", some 20,000 communards have been killed and 38,000 arrested.

# 20 May 1570 – Cartographer Abraham Ortelius issues Theatrum Orbis Terrarum, the first modern atlas.

# 19 May 1962 – A birthday salute to U.S. President John F. Kennedy takes place at Madison Square Garden, New York City. The highlight is Marilyn Monroe's rendition of "Happy Birthday".

# 18 May 1980 – Students in Gwangju, South Korea begin demonstrations calling for democratic reforms.

# 17 May 1980 – General Chun Doo-hwan of South Korea seizes control of the government and declares martial law in order to suppress student demonstrations.

# 16 May 1961 – Park Chung-hee leads a coup d'état to overthrow the Second Republic of South Korea.

# 15 May 1928 – Walt Disney character Mickey Mouse premieres in his first cartoon, "Plane Crazy".

# 14 May 2002년 - 수지 김 사건의 피의자 윤태식에게 무기징역이 선고됨.

수지 김 사건은 대한민국 기업체의 홍콩 주재원이었던 윤태식(尹泰植)이 1987년 1월 부인 김옥분(金玉分, 일명 수지 김)을 홍콩에서 살해한 사건이다. 그러나 당시 제5공화국 정권은 부부싸움에 이은 살인사건을 ‘여간첩 남편 납북기도사건’으로 조작했다. 이 사건은 과거 대한민국의 독재정권이 정권 유지를 위해서 벌인 대표적인 간첩 조작 사건으로 잘 알려져 있다.
윤태식은 이후 성공한 벤처사업가로 변신해 패스21 이라는 지문인식 회사를 설립하고 정관계 인사에게 로비를 벌이다가 2001년 12월 일명 '윤태식 게이트'가 언론을 통해 드러나면서 모든 사실이 밝혀져 법의 처벌을 받았다.

# 13 May 1969 – May 13 Incident involving sectarian violence in Kuala Lumpur, Malaysia.

# 12 May 1925 - 치안유지법(治安維持法)은 일본 제국 말기에 천황 통치 체제를 부정하는 운동을 단속하는 법률이다. 1925년 5월 12일에 시행되고, GHQ 점령 1945년 10월 15일 폐지되었다. 이 법은 해방 뒤 국가보안법으로 이어진다.

The Public Security Preservation Laws were a series of laws enacted during the Empire of Japan. Collectively, the laws were designed to suppress political dissent.

‌The National Security Act is a South Korean law enforced since 1948 with the avowed purpose "to secure the security of the State and the subsistence and freedom of nationals, by regulating any anticipated activities compromising the safety of the State." However, the law now has a newly inserted article that limits its arbitrary application. "In the construction and application of this Act, it shall be limited at a minimum of construction and application for attaining the aforemetioned purpose, and shall not be permitted to construe extensively this Act, or to restrict unreasonably the fundamental human rights of citizens guaranteed by the Constitution.

‌# 11 May 1960 – In Buenos Aires, Argentina, four Israeli Mossad agents capture fugitive Nazi Adolf Eichmann who is living under the alias of Ricardo Klement.

# 11 May 1960 – In Buenos Aires, Argentina, four Israeli Mossad agents capture fugitive Nazi Adolf Eichmann who is living under the alias of Ricardo Klement.

# 10 May 1981 – François Mitterrand wins the presidential election and becomes the first Socialist President of France in the French Fifth Republic.

# 09 May 1958 – Alfred Hitchcock's film Vertigo has world premiere in San Francisco.

# 08 May 1886 – Pharmacist John Pemberton first sells a carbonated beverage named "Coca-Cola" as a patent medicine.

# 07 May 1946 – Tokyo Telecommunications Engineering [東京通信工業株式會社 (later renamed Sony)] is founded with around 20 employees.

# 06 May 1882 – The United States Congress passes the Chinese Exclusion Act.

# 05 May 1912 – Правда(Pravda), the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.

# 04 May 1994 – Israeli Prime Minister Yitzhak Rabin and PLO leader Yasser Arafat sign a peace accord, granting self-rule in the Gaza Strip and Jericho.

# 03 May 1937 – Gone with the Wind, a novel by Margaret Mitchell, wins the Pulitzer Prize for Fiction.

# 02 May 1945 – World War II: The Soviet Union announces the fall of Berlin.

# 01 Mai 1900 (Paris) : publication du Rire de Henri Bergson.