4 August, calendarul zilei: Armata română intră victorioasă în Budapesta. Data atribuită în mod tradițional inventării șampaniei de către Dom Perignon

On August 4, significant historical events occurred, including the Romanian Army's entry into Budapest in 1919, marking the end of Béla Kun's communist regime. Additionally, the date is traditionally linked to Dom Pérignon's association with champagne, although he did not invent it but improved winemaking techniques. Other notable events include the births of influential figures like Louis Vuitton and Barack Obama, as well as the deaths of renowned personalities such as Marilyn Monroe and Hans Christian Andersen.