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 (card game) Australia was comparable in popularity to Blackjack, so there are more Pontoon tables available in Australian casinos than Spanish 21 tables in American casinos. Unfortunately, in response to the release of the book "The Pro's Guide To Spanish 21 and Australian Pontoon" by Katarina Walker, Burswood Casino in Perth has withdrawn the game from the main floor and Crown Casino, Melbourne, have withdrawn the game from their VIP Mahogany Room and introduced continuous shuffling machines to some of the pontoon games in the main hall. Any hand-shuffled or automatically shuffled pontoon games at Crown Casino have penetrations below 75%, rendering