As he had served as a personal aide-de-camp to the Emperor at Battle of Waterloo, he was dismissed from the army by the Restoration government.
He was an active member of the military, eventually reaching the rank of Field Marshal, and served as personal aide-de-camp to four successive sovereigns.
He held the rank of major and was the personal aide-de-camp to Gen. John J. Pershing.
After the Crown Prince became King Maximilian II in 1848 he was named a personal aide-de-camp to the King and promoted to colonel.
In 1852 he once more became a personal aide-de-camp to the King.
Before long he became a personal aide-de-camp to the king, and in 1732 he was sent with a party of selected non-commissioned officers to assist in the organization of the Russian army.
In the procession below, Vanier would have seen one of the future governors general of Canada, Harold Alexander, who was then the personal aide-de-camp to the King.
After Ludwig's accession to the throne in 1864, Paul was promoted to personal aide-de-camp of the king on 18 January 1865.
He distinguished himself as chief-of-staff of an infantry division at the Battle of Magenta, and in 1863 was made personal aide-de-camp to the Emperor.
He also became the Sultan's personal aide-de-camp.