 King Nicholas never recognised the union and maintained an internationally recognised government in exile.Upon the death of King Nicholas in 1921 he was succeeded by his son Crown Prince Danilo who abdicated as king a week later in favour of the next in line, his nephew Michael who reigned as a King-in-exile under the regency of his grandmother Queen Milena.On 13 July 1922 the Conference of Ambassadors at Paris gave international recognition to the union of Serbia and Montenegro.