Find the event misdated to August 3rd. The Italian battleship Leonardo da Vinci sank on August 2, 1916 (not 3rd) due to internal explosion, not Austrian sabotage. Germany's WWI declaration of war (Aug 3, 1914), Hitler becoming Führer (Aug 2, 1934 law effective Aug 3), and Beatles' final Cavern performance (Aug 3, 1963) are correctly dated.