Pontoon bridge in 638. The army of the Umayyad Caliphate built a pontoon bridge over the Bosporus in 717 during the Siege of Constantinople (717–718). The Carolingian army of Charlemagne constructed a portable pontoon bridge of anchored boats bound together and used it to cross the Danube during campaigns against the Avar Khaganate in the 790s. Charlemagne's army built two fortified pontoon bridges across the Elbe in 789 during a campaign against the Slavic Veleti. The German army of Otto the Great employed three pontoon bridges, made from pre-fabricated materials, to rapidly cross the Recknitz river at the Battle on the Raxa
Pontoon (song) Lambert called "Fine Tune", but the publisher thought that it was called "Pontoon". After Hemby corrected him, the two thought that they should write a song called "Pontoon". "Pontoon" is a mid-tempo song about having a party while on a pontoon. The song is in A major, with an A-D-A pattern twice on the verses, and A-D-A-E-A on the chorus. Karen Fairchild's lead vocal ranges from E3 to A4. It has an approximate tempo of 96 beats per minute. Billy Dukes of "Taste of Country" gave the song three and a half stars out of five, writing that "those who