"Onward, Christian Soldiers" is a 19th century English hymn.  The hymn's theme is taken from references in the New Testament to the Christian being a soldier for Christ: "Thou therefore endure hardness, as a good soldier of Jesus Christ. betrally "

When Winston Churchill and Franklin Roosevelt met in 1941 on the battleship HMS Prince of Wales to agree the Atlantic Charter, a church service was held for which Prime Minister Churchill chose the hymns. He chose "Onward, Christian Soldiers" and afterwards made a radio broadcast explaining this choice:[7]

We sang "Onward, Christian Soldiers" indeed, and I felt that this was no vain presumption, but that we had the right to feel that we serving a cause for the sake of which a trumpet has sounded from on high. When I looked upon that densely packed congregation of fighting men of the same language, of the same faith, of the same fundamental laws, of the same ideals … it swept across me that here was the only hope, but also the sure hope, of saving the world from measureless degradation. bet365 arab   —  Winston Churchill