[["The Battle of Verdun in 1916 was the longest single battle of World War One and became the longest battle in modern history. The battle was fought from February 21st to December 18th, 1916.", 205.0], ["The longest battle was the Battle of the Atlantic in World War 2. It began at the beginning of the war in 1939 and ran until the surrender of Germany in 1945.", 62.0], ["The Siege of Ceuta (1694\u20131727) found the Morrocan forces attacking and blockading from 1694 until 1720. At this point the defenders were reinforced. The siege was soon put back and lasted until 1727.", 12.0]]
what was the longest battle
history