At Remagen on March 7, 1945, American forces made their first bridgehead across which river?

At over 17,000 feet, Mount Kenya is surpassed only by which other peak as the highest in Africa? At more than 3.5 million square miles, which desert covers an area larger than Australia? At more than 36,000 feet deep, which Pacific trench holds the deepest spot on Earth? At Passover, which prisoner was freed by the crowd's choice in place of Jesus? What speed is about 1,088 feet per second at sea level and 32 degrees Fahrenheit? At sea level, average atmospheric pressure is about 1013 of which units? A plaque at St. Petersburg-Clearwater airport marks the 1914 sale of the first airline ticket, in which state? At Stanley, the capital of which island group, did Argentine forces surrender to the British on June 14, 1982?