About the day » Friday May 31, 1968Calender converter

• Jan Baas, Oss, Noord-Brabant, Nederland († 1968)
• Paul Bevers, Hengelo († 2011)
• Bianca Carmen Dolores (Bianca) Cornet, Krommenie, Zaanstad, Nederland
• Michiel Anthonie Jehee, Amsterdam
• Hans Goutier, Naarden
• Bianca Carmen Dolores Cornet, Krommenie († 2015)
• Helena Catharina van Sommeren, Afferden
• Pauline Middendorp, gravenhage († 2010)
• Simon Geoffrey PHILLIPS († 2009)
• N.N. * Hanegraaf, Den Bosch († 1968)

• Aaldert Zandbergen (77), Coevorden, Drenthe, Nederland
• Abraham Brinkman (60), Groningen
• Alphonse Victor Lippens (74), Harelbeke
• Aaltje ter Maat (78)
• Anske Bouman (79), Terneuzen, Zeeland, Nederland
• Adriana Hendrijntje van Dijk (67)
• Charles Arthur Northrup
• Alfred Abraham Newton (70), Taree, NSW, AU
• Antje Doekes van der Weide (81)
• Antje Doedes van der Weide (81)

• 1964 » Darryl "D.M.C." McDaniels, American rapper and producer
• 1964 » Leonard Asper, Canadian lawyer and businessman
• 1964 » Stéphane Caristan, French hurdler and coach
• 1964 » Yukio Edano, Japanese politician, Japanese Minister for Foreign Affairs
• 1965 » Brooke Shields, American model, actress, and producer
• 1966 » Roshan Mahanama, Sri Lankan cricketer and referee
• 1967 » Kenny Lofton, American baseball player, coach, and sportscaster
• 1967 » Phil Keoghan, New Zealand television host and producer
• 1971 » Arun Luthra, Indo-Anglo-American saxophonist, konnakol artist, composer, and arranger
• 1972 » Christian McBride, American bassist and record producer

• 1957 » Leopold Staff, Polish poet and academic (b. 1878)
• 1957 » Stefanos Sarafis, Greek general and politician (b. 1890)
• 1960 » Walther Funk, German economist, journalist, and politician, German Minister of Economics (b. 1890)
• 1960 » Willem Elsschot, Flemish author and poet (b. 1882)
• 1962 » Henry F. Ashurst, American lawyer and politician (b. 1874)
• 1967 » Billy Strayhorn, American pianist and composer (b. 1915)
• 1970 » Terry Sawchuk, Canadian-American ice hockey player (b. 1929)
• 1976 » Jacques Monod, French biologist and geneticist, Nobel Prize laureate (b. 1910)
• 1977 » William Castle, American actor, director, producer, and screenwriter (b. 1914)
• 1978 » József Bozsik, Hungarian footballer and manager (b. 1925)

• Koningin Juliana (Huis van Oranje-Nassau) was from September 4, 1948 till April 30, 1980 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
• In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet De Jong, with P.J.S. de Jong (KVP) as prime minister.
• The Netherlands had about 12.7 million citizens.
• February 1 » Vietnam War: The execution of Viet Cong officer Nguyễn Văn Lém by South Vietnamese National Police Chief Nguyễn Ngọc Loan is recorded on motion picture film, as well as in an iconic still photograph taken by Eddie Adams.
• February 24 » Vietnam War: The Tet Offensive is halted; South Vietnam recaptures Hué.
• May 26 » H-dagurinn in Iceland: Traffic changes from driving on the left to driving on the right overnight
• July 17 » Abdul Rahman Arif is overthrown and the Ba'ath Party is installed as the governing power in Iraq with Ahmed Hassan al-Bakr as the new Iraqi President.
• August 1 » The coronation is held of Hassanal Bolkiah, the 29th Sultan of Brunei.
• November 26 » Vietnam War: United States Air Force helicopter pilot James P. Fleming rescues an Army Special Forces unit pinned down by Viet Cong fire. He is later awarded the Medal of Honor.

The temperature on May 31, 1968 was between 9.1 °C and 22.0 °C and averaged 16.4 °C. There was 14.9 hours of sunshine (91%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast.