20th Century
These were used in both World Wars by both Germany and the United Kingdom. Whilst the British used armed passenger liners defensively for protecting their shipping, the German approach was to use them offensively to attack enemy shipping.
Read more about this topic: Armed Merchantman
Famous quotes containing the word century:
“Even the ignorant may appear very worthy,
If they keep silent before the learned.”
—Tiruvalluvar (c. 5th century A.D.)