The predecessor of Juan Carlos I of Spain, who reigned whilst Abel Caballero was in office, was Francisco Franco.
Dead Man's Plack, which is located in England is dedicated to AEthelwald, Ealdorman of East Anglia. England is also home of the Cornish language which is still spoken.
Abel Caballero | in office while monarch | Juan Carlos I of Spain Juan Carlos I of Spain | predecessor | Francisco Franco Dead Man's Plack | location | England Dead Man's Plack | dedicated to | Æthelwald, Ealdorman of East Anglia England | language | Cornish language