Pontoon bridge Earl of Shrewsbury crossed the Oise river across a pontoon bridge of portable leather vessels in 1441. Ottoman engineers built a pontoon bridge across the Golden Horn during the Siege of Constantinople (1453), using over a thousand barrels. The bridge was strong enough to support carts. The Ottoman Army constructed a pontoon bridge during the Siege of Rhodes (1480). Venetian pioneers built a floating bridge across the Adige at the Battle of Calliano (1487). The Spanish Army constructed a pontoon bridge at the Battle of Garigliano (1503). The Spanish Army of Flanders under Alexander Farnese, Duke of Parma built an
Pontoon (card game) the rules. The computer-generated Pontoon basic strategy and house edge tables below are reproduced from "The Pro's Guide to Spanish 21 and Australian Pontoon", with permission of the author, Katarina Walker. Pontoon strategy is far more difficult than Blackjack, however, casinos do not generally object to people using strategy charts at the table. Pontoon strategy is very similar to Spanish 21 strategy, but there are some crucial differences, mainly due to the no-hole-card rule, and the limitations on soft doubling. Pontoon does, on average, have a lower house edge than its American counterparts because of the no-hole-card rule, which means