324 – Licinius abdicates his position as Roman Emperor.

1843 – Charles Dickens’ A Christmas Carol goes on sale.

1920 – King Constantine I is restored as King of the Hellenes after the death of his son Alexander I of Greece and a plebiscite.

1941 – Adolf Hitler becomes Supreme Commander-in-Chief of the German Army.

1956 – Irish-born physician John Bodkin Adams is arrested in connection with the suspicious deaths of more than 160 patients. Eventually he is convicted only of minor charges.