World War V

World War V was a global conflict in the 49th century in which the Doctor was present, either during or prior to his fifth incarnation. It is also unknown how much The Doctor was involved in the war(DW: The Unquiet Dead, BFA: Singularity) In it, much of Earth's art treasures were destroyed, though these did not include the Mona Lisa. (DWM: Art Attack) The Doctor once rebuked Qel for the failure of the Somnus Foundation's museum of future history to even mention the conflict in its entry on the 49th century. (BFA: Singularity)