July 23 is the 204th day of the year (205th day in a leap year) in the Gregorian calendar. This is followed by 161 days until the end of the year.
1927 - A report is broadcast for the first time on Dutch radio. Willem Vogt reports for the ANRO on the landing at Schiphol of a KLM flight from Batavia.
1982 - The International Whaling Commission decides to end commercial whale fishing by 1985-86
1986 - Britain's Prince Andrew marries Sarah Ferguson at Westminster Abbey, London.
1992 - At least 12 injured in riots in Blackburn, Burnley and Huddersfield. Crime and safety
1967 - In Detroit, Michigan, USA, race riots break out in the predominantly African-American and impoverished inner city. 43 people die and 1,400 houses burn. Infrastructure
1881 - The 5-year-old Johannes Huibers, later bishop of Haarlem, lays the foundation stone of Amsterdam Central Station.
1926 - The National Company of the Belgian Railways (NMBS) is founded.
2010 - A train accident occurs near Fiesch, Switzerland.
2014 - In the Netherlands, a day of national mourning applies following the crash of Malaysia Airlines flight 17 six days earlier. Art and culture
1982 - On the set of the movie The Twilight Zone, a prepared helicopter crashes, killing actor Vic Morrow and two young actors.
1987 - The three surviving members of the Beatles sue record company EMI-Capitol for CD royalty fraud.
2009 - Two Mozart works are discovered by the Mozarteum Salzburg Foundation. Music
2010 - British-Irish boy band One Direction is formed. War
1914 - Austria-Hungary issues an ultimatum to Serbia. The country has 48 hours to meet some impossible Austrian demands. A war seems inevitable. (July ultimatum)
2016 - At least 80 people are killed in an attack during a demonstration in Kabul. Politics
1952 - General Mohammed Naguib leads the Free Officers (formed by Gamal Abdel Nasser, the real person behind the coup) against King Farouk of Egypt.
1968 - A Palestinian commando hijacks an Israeli plane; the negotiations last until the end of August and end without bloodshed.
1992 - Abkhazia declares its independence from Georgia.
1994 - German justice decides to prosecute 86-year-old Erich Mielke, chief of the former East German secret police (Stasi), for shooting under his responsibility East Germans who tried to flee over the Berlin Wall.
1998 Puntland, in northeastern Somalia, declares temporary independence until the East African country regains stability and has a central government.
1999 - Mohammed VI becomes King of Morocco after his father, King Hassan II, died that same day at age 70.
2004 - In Mostar (Bosnia and Herzegovina), the bridge over the Neretva, the Stari Most ("Old Bridge") is reopened.
2007 - In Albania, Bamir Topi takes over as president from Alfred Moisiu for another five-year term.
2009 - Iceland officially applies for membership of the European Union.
2011 - Venezuelan President Hugo Chávez unexpectedly returns from Cuba after the left-wing populist head of state undergoes chemotherapy on the communist island. Recreation
2013 - In the Dutch amusement park Walibi Holland, a 10-year-old girl is seriously injured in an accident on the whitewater attraction El Rio Grande.
2014 - In the Dutch theme park Toverland, four visitors have to go to hospital after an accident with the whitewater course Djengu River.
2019 - Soarin' at Tokyo DisneySea opens its doors to visitors. Religion
1727 - Division of the Roman Catholic Apostolic Vicariate of Scotland into the Highland District and Lowland District Apostolic Vicariate.
1929 - Dedication of the Christ the King Cathedral