Humbug is the third studio album by English rock band Arctic Monkeys, first released on 19 August 2009 through the Domino Recording Company. The band started to write new material for the album towards the end of summer 2008, and finished it entirely in spring 2009. Like their previous release, Favourite Worst Nightmare (2007), Humbug was released first in Japan, followed by Australia, Brazil, Ireland and Germany, on 21 August 2009. It was then released in the UK on 24 August 2009, in the US the following day and in Greece on 31 August.
