Editing August 4 (section)

===1901–present===
*[[1914]] &ndash; [[World War I]]: In response to the [[German invasion of Belgium (1914)|German invasion of Belgium]], Belgium and the [[British Empire]] declare war on Germany. The United States declares its neutrality.
*[[1915]] &ndash; World War I: The [[12th Army (German Empire)|German 12th Army]] occupies [[Warsaw]] during the [[Gorlice–Tarnów Offensive]] and the [[Great Retreat (Russian)|Great Retreat of 1915]].
*[[1921]] &ndash; [[Bolshevik–Makhnovist conflict]]: [[Mikhail Frunze]] declares victory over the [[Makhnovshchina]].<ref>{{cite book |last1=Malet |first1=Michael |title=Nestor Makhno in the Russian Civil War |date=1982 |language=English |isbn=978-0-333-25969-6 |publisher=[[Palgrave Macmillan]] |location=London]|oclc=8514426 |page=79}}</ref>
*[[1924]] &ndash; [[Mexico–Russia relations|Diplomatic relations between Mexico and the Soviet Union]] are established.
*[[1936]] &ndash; [[List of Prime Ministers of Greece|Prime Minister of Greece]] [[Ioannis Metaxas]] suspends [[Hellenic Parliament|parliament]] and the [[Constitution of Greece|Constitution]] and establishes the [[4th of August Regime]].
*[[1944]] &ndash; [[The Holocaust]]: A tip from a Dutch informer leads the [[Gestapo]] to a sealed-off area in an [[Amsterdam]] warehouse, where they find and arrest Jewish diarist [[Anne Frank]], her family, and four others.
*  1944   &ndash; Under the state of emergency law, the [[Parliament of Finland|Finnish Parliament]] elects Marshal [[Carl Gustaf Emil Mannerheim|C. G. E. Mannerheim]] as the [[President of Finland]] to replace the resigned [[Risto Ryti]].<ref>{{Cite web |title=Mannerheim |url=https://suomenpresidentit.fi/mannerheim/ |access-date=2023-08-09 |website=Suomen presidentit |language=fi}}</ref><ref>{{cite web|url=https://www.apu.fi/artikkelit/suomen-presidentit-sarja-mannerheim-oli-vaaran-ajan-paamies|title=Suomen presidentit – sarja: Mannerheim oli väärän ajan päämies|work=Artikkelit|date=December 6, 2017|publisher=Apu–lehti|access-date=August 3, 2021|language=fi}}</ref>
*[[1946]] &ndash; An [[1946 Dominican Republic earthquake|earthquake of magnitude 8.0]] hits northern [[Dominican Republic]]. One hundred are killed and 20,000 are left homeless.
*[[1947]] &ndash; The [[Supreme Court of Japan]] is established.
*[[1964]] &ndash; [[Civil rights movement]]: [[Civil and political rights|Civil rights]] workers [[Michael Schwerner]], [[Andrew Goodman (activist)|Andrew Goodman]] and [[James Chaney]] are found dead in [[Mississippi]] after disappearing on [[June 21]].
*  1964   &ndash; [[Gulf of Tonkin incident#Second alleged attack|Second Gulf of Tonkin Incident]]: U.S. [[destroyer]]s {{USS|Maddox|DD-731|6}} and {{USS|Turner Joy|DD-951|6}} mistakenly report coming under attack in the Gulf of Tonkin.
*[[1965]] &ndash; The [[Constitution of the Cook Islands]] comes into force, giving the [[Cook Islands]] self-governing status within New Zealand.
*[[1969]] &ndash; [[Vietnam War]]: At the apartment of French intermediary [[Jean Sainteny]] in Paris, American representative [[Henry Kissinger]] and [[North Vietnam]]ese representative [[Xuân Thuỷ]] begin secret peace negotiations. The negotiations will eventually fail.
*[[1972]] &ndash; [[President of Uganda|Ugandan President]] [[Idi Amin]] announces that [[Uganda]] is no longer responsible for the care of British subjects of [[Indians in Uganda|Asian origin]], beginning the [[Expulsion of Asians from Uganda|expulsions of Ugandan Asians]].<ref>{{citation|last=Jørgensen|first=Jan Jelmert|title=Uganda: a modern history|year=1981|publisher=Taylor & Francis|isbn=978-0-85664-643-0|pages=285–290}}</ref>
*[[1974]] &ndash; A [[Italicus Express bombing 1974|bomb]] explodes in the ''Italicus Express'' train at [[San Benedetto Val di Sambro]], Italy, killing 12 people and wounding 22.
*[[1975]] &ndash; The [[Japanese Red Army]] takes [[1975 AIA building hostage crisis|more than 50 hostages]] at the AIA Building housing several embassies in [[Kuala Lumpur]], [[Malaysia]]. The hostages include the U.S. [[consul (representative)|consul]] and the Swedish [[Chargé d'affaires]]. The gunmen win the release of five imprisoned comrades and fly with them to [[History of Libya under Muammar Gaddafi#Libyan Arab Republic (1969–1977)|Libya]].
*[[1977]] &ndash; [[President of the United States|U.S. President]] [[Jimmy Carter]] signs legislation creating the [[United States Department of Energy]].
*[[1983]] &ndash; [[Jean-Baptiste Ouédraogo]], president of the military government of Upper Volta, is ousted from power in a [[1983 Upper Voltan coup d'état|coup d'état]] led by Captain [[Thomas Sankara]].<ref>{{cite news|url=https://www.nytimes.com/1983/08/06/world/13-killed-in-coup-in-upper-volta.html|title=13 Killed in Coup in Upper Volta |work=The New York Times|date=August 6, 2023|access-date=January 6, 2023}}</ref>
*[[1984]] &ndash; The [[Republic of Upper Volta]] changes its name to [[Burkina Faso]].
*[[1987]] &ndash; The [[Federal Communications Commission]] rescinds the [[Fairness Doctrine]] which had required radio and television stations to give equal time to opposing views.
*[[1995]] &ndash; [[Operation Storm]] begins in [[Croatia]].
*[[2006]] &ndash; A [[2006 Trincomalee massacre of NGO workers|massacre]] is carried out by [[Sri Lanka]]n government forces, killing 17 employees of the French [[International nongovernmental organization|INGO]] [[Action Against Hunger]] (known internationally as Action Contre la Faim, or ACF).
*[[2007]] &ndash; [[NASA]]'s ''[[Phoenix (spacecraft)|Phoenix]]'' spacecraft is launched.
*[[2018]] &ndash; [[Syrian civil war]]: The [[Syrian Democratic Forces]] (SDF) expel the [[Islamic State of Iraq and the Levant]] (ISIL) from the [[Iraq–Syria border]], concluding the second phase of the [[Deir ez-Zor campaign (2017–2019)|Deir ez-Zor campaign]].<ref>{{cite web|url=https://www.almasdarnews.com/article/isis-fully-expelled-from-syria-iraq-border/|title=ISIS fully expelled from Syria-Iraq border|author=Leith Aboufadel|date=4 August 2018|publisher=Al-Masdar News|access-date=4 August 2018|archive-date=4 August 2018|archive-url=https://web.archive.org/web/20180804231713/https://www.almasdarnews.com/article/isis-fully-expelled-from-syria-iraq-border/|url-status=dead}}</ref>
*2018   – [[Crisis in Venezuela]]: Seven people are injured when two drones [[2018 Caracas drone attack|detonate explosives]] on [[Avenida Bolívar, Caracas]] while president [[Nicolás Maduro]] is giving a speech to the [[Venezuelan National Guard]].<ref name="theguardian12">{{cite news |author=Daniels |first=Joe Parkin |date=5 August 2018 |title=Venezuela's Nicolás Maduro survives apparent assassination attempt |url=https://www.theguardian.com/world/2018/aug/04/nicolas-maduros-speech-cut-short-while-soldiers-scatter |url-status=live |archive-url=https://web.archive.org/web/20231005123439/https://www.theguardian.com/world/2018/aug/04/nicolas-maduros-speech-cut-short-while-soldiers-scatter |archive-date=5 October 2023 |access-date=5 August 2018 |work=The Guardian |issn=0261-3077}}</ref>
*[[2019]] &ndash; Nine people are killed and 26 injured in a shooting in [[2019 Dayton shooting|Dayton, Ohio]]. This comes only 13 hours after another mass shooting in [[2019 El Paso shooting|El Paso, Texas]], where 23 people were killed.<ref>{{cite web|website=CNN|title=Mass shooting in Dayton, Ohio |url=https://edition.cnn.com/us/live-news/ohio-shooting/index.html|author=Ivanna Kottasova|date=August 4, 2019|access-date=August 4, 2019}}</ref><ref name="NYT23">{{cite news|url=https://www.nytimes.com/aponline/2020/04/26/business/ap-mass-shooting-texas.html|title=El Paso Shooting Victim Dies Months Later, Death Toll Now 23|work=The New York Times|date=April 26, 2020|access-date=April 26, 2020}}</ref>
*[[2020]] &ndash; [[2020 Beirut explosion|Beirut Port explosion]]: At least 220 people are killed and over 5,000 are wounded when 2,700 tons of [[ammonium nitrate]] explodes in [[2020 Beirut explosion|Beirut, Lebanon]].<ref>{{cite web |title=Beirut explosion: Lebanon's government 'to resign' as death toll rises |url=https://www.bbc.com/news/world-middle-east-53720383 |website=BBC |access-date=August 11, 2020 |date=10 August 2020}}</ref>