The odds on the Queen abdicating in Charles's favour before then have lengthened - from 25-1 to 50-1.

She therefore abdicated in his favour after reigning only one year.

In 1730, he abdicated as duke in his son's favour.

Toda proclaimed Mayor her heir and abdicated in her favour.

Constance had abdicated her ducal throne in Arthur's favour in 1194.

Whilst he was still a youth the king, his father, who loved him dearly, had some thoughts of abdicating in his favour.

His mother abdicated in his favour in 1870, and he returned to Spain as king in 1874 following a military coup.

Three years later, he induced the boy emperor to abdicate in his favour.

Therefore, she kept her brother's death and her own accession secret from Alfonso before finally abdicating in their son's favour on 31 August.

She tells him of her plans to abdicate in his favour.