Rule, Britannia! British patriotic song, poem, by James Thomson and set to music by Thomas Arne in 1740, The BBC Last Night of the Proms

"Rule, Britannia!" is a British patriotic song,

originating from the poem "Rule, Britannia" 

by James Thomson and set to music by Thomas Arne in 1740.

                  

It is strongly associated with the Royal Navy, but also used by the British Army

and The BBC Last Night of the Proms