The phrase [vedova inconsolabile ringrazia quanti la consolarono](javascript:void(0)) refers to an Italian film titled "La vedova inconsolabile ringrazia quanti la consolarono," a comedy directed by Mariano Laurenti released in 1973. The story revolves around a rich man's widow named Caterina, who stands to inherit a vast fortune only if she gives birth to a child within 300 days of her husband's death. However, her husband's brothers, who would inherit if she fails, try to prevent this by blocking all men from approaching her. A series of comedic and complicated attempts follow for Caterina to conceive a child with the help of a thief and her mother. The film features Edwige Fenech as Caterina and Carlo Giuffrè as the thief. It is known for its satirical humor about Southern Italian masculinity and society, with a mix of farce and risqué humor. Despite some comedic moments and a lively cast, some critiques mention it has predictable elements.

So, the phrase is the title of a 1973 Italian comedy film about a widow's unusual efforts to secure her inheritance by having a child under difficult circumstances.