Final answer:
Lord Byron used swimming to cross the Hellespont in 1810.
Step-by-step explanation:
Lord Byron enjoyed and used swimming to cross the Hellespont (about a mile) in 1810. He undertook this athletic activity to recreate a historical event that had taken place in ancient times.
The Hellespont, now known as the Dardanelles, is a narrow strait connecting the Aegean Sea to the Sea of Marmara.
By successfully swimming across, Lord Byron showcased his physical prowess and love for adventure.