New software installed on which online auction site shut it down on June 10 and 11, 1999?

Mexico created a new one of these in 1917, but its part threatening property rights proved hard to enforce. What? Which New Orleans dessert is called Bananas...? A new play based on which Sir Arthur Conan Doyle canine classic opened on the London stage in 2007? A U.S. president elected in 2008 would finish a first term in January of which year? A new Revised Standard Version of which book topped the nonfiction charts in 1954? A theory says which author died on October 7, 1849, of rabies rather than alcoholism or drug abuse? A new waterway opened in 1872 let large ships reach which Dutch city, now one of the world's top ports? Which 1928 Democratic presidential candidate was known as "the Happy Warrior"?