Espartero resigned power in O'Donnell's favour on 14 -- 15 July 1856 , and Isabella II asked him to form a government as the 44th Prime Minister of Spain .
Riots against power looms spread through Spain , and General O'Donnell intervened , marching on Madrid .
Espartero resigned power in O'Donnell's favour on 14 -- 15 July 1856 , and Isabella II asked O'Donnell to form a government as the 44th Prime Minister of Spain .
Riots against power looms spread through Spain , and General O'Donnell intervened , marching on Madrid .