In 1911-1912 he served as Chief of Staff to Admiral Sir Edmund Poë, Commander-in-Chief of the Mediterranean Fleet.
The recipient of several medals and honors, he was named a Member of the Royal Victorian Order by King Edward VII in 1908.
[4] During the Benin Expedition of 1897 he served with distinction on HMS St George and was awarded a medal.
Nicholson was named a Member of the Royal Victorian Order on June 10, 1908, by King Edward VII.
In 1911-1912 he served a Chief of Staff to Admiral Sir Edmund Poë, Commander-in-Chief of the Mediterranean Fleet.