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) The result is that Pontoon, on average, has about two-thirds the house edge of Australian Blackjack, which due to no surrender, hole card, and limitations on soft doubling, has some of the highest house edges for regular Blackjack in the world. Federal Pontoon is a version of the Australian casino game Pontoon played in Tasmania, Australia. Both casinos in Tasmania, Country Club Casino, Launceston, and Wrest Point Casino, Hobart, are owned by the Federal Group. Rules specific to Federal Pontoon are: In Wrest Point Casino, Federal Pontoon is played in the public area only and is not available in the