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
Junk Yard (pinball) Junk Yard (pinball) Junk Yard is a pinball game released by Williams Electronics in 1996. The game was advertised with the slogan ""The meanest game in the whole darn town."". The playfield of "Junk Yard" contains different toys e.g. a crane with a wrecking ball - a pinball hanging from a chain, a toilet that flushes the ball and a doghouse with an attack dog. The game rules of "Junk Yard" are not very deep but the gameplay is not easy. The player has to find parts in the junk yard to construct different tools and vehicles as seen on