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
Trimaran Capital Partners a considerable boost for its investment banking operations in the U.S. and for Bloom, Heyer and Kehler. In fact, CIBC’s gain on its investment in Global Crossing would represent more than 20% of the bank's profits in 2000. Trimaran was founded in 2000, effectively on the back of the success of the Global Crossing investment. In April 2001, Trimaran closed on a $1 billion fund with capital provided primarily by CIBC. The investment banking operations of CIBC World Markets reached their peak in 1999 and 2000, when the bank cracked the top ten of U.S. issuers of high yield bonds