Original sentence: After he abdicated in 1921 he spent most of his life living in Nice.Danilo Aleksandar Petrović-Njegoš (Anglicised: Daniel Alexander Petrovich-Nyegosh) (June 29, 1871 – September 24, 1939) was the Crown Prince of Montenegro.From March 1, 1921 - March 7, 1921 Danilo was the self-assumed King of Montenegro leading an unrecognised Government-in-exile.His reputation was undermined by announcing his abdication on March 5 only to publicly retract this the following day, before re-affirming it the day after that.On March 7 1921 for reasons which are still unclear Danilo abdicated his royal claims and headship of the royal house in favour of his nephew, Prince Michael Petrović-Njegoš of Montenegro
Edited sentence: After he abdicated in 1921, he spent most of his life living in Nice.Danilo Aleksandar Petrović-Njegoš (Anglicised: Daniel Alexander Petrovich-Nyegosh) (29 June 1871 – 24 September 1939) was the Crown Prince of Montenegro.From 1 March 1921 - 7 March 1921 Danilo was the self-assumed King of Montenegro leading an unrecognised Government-in-exile.His reputation was undermined by announcing his abdication on 5 March only to publicly retract this the following day, before re-affirming it the day after that.On 7 March 1921, for reasons which are still unclear, Danilo abdicated his royal claims and headship of the royal house in favour of his nephew, Prince Michael Petrović-Njegoš of Montenegro