Pontoon bridge Roman Emperor crossed the Adige in 1157 on a pontoon bridge built in advance by the people of Verona on orders of the German Emperor. The French Royal Army of King Philip II of France constructed a pontoon bridge across the Seine to seize Les Andelys from the English at the Siege of Château Gaillard in 1203. During the Fifth Crusade, the Crusaders built two pontoon bridges across the Nile at the Siege of Damietta (1218-1219), including one supported by 38 boats. On 27 May 1234, Crusader troops crossed the river Ochtum in Germany on a pontoon bridge during the
Trimaran feat, Francis Joyon held the world record for solo circumnavigation of the world, set on January 20, 2008. The 51-year-old Frenchman circled the planet alone in 57 days, 13 hours, 34 minutes, 6 seconds in a trimaran. He beat British sailor Ellen MacArthur's record set in February 2005 for which she spent just over 71 days at sea. Francis Joyon and crew of five sailors; Dec 2016–Jan 2017; the Maxi trimaran "IDEC SPORT"; current absolute (wind or mechanically powered) fastest maritime circumnavigation, in 40 days 23 hours 30 minutes 30 seconds of sailing. Average speed of 26.85 knots (30.71 MPH),