A calendar of the events you shouldn't miss in the year ahead.1 The Inauguration January 20The 44th president will solemnly swear to preserve, protect, and defend the Constitution.2 Davos World Economic Forum January 28–February 1Fifteen hundred of the world's most influential wonks, ministers, and hangers-on cavort in the Swiss Alps for their annual policy retreat. This year's fitting topic? "Shaping the Post-Crisis World."3 Abraham Lincoln's 200th Birthday February 12More than 80 exhibits are planned for Washington, D.C., museums to celebrate the life of the Great Emancipator. A few months later, on Memorial Day, the president will speak at the rededication of the Lincoln Memorial.
4 Charles Darwin's 200th Birthday February 12It's a humanist twofer-the 12th is also Charles Darwin's bicentennial. His hometown of Shrewsbury, England, will hold a big bash for its favorite heretical son.5 A.N.S.W.E.R. March 21The antiwar group marks the sixth anniversary of the Iraq invasion with a day of protests outside the White House. Will Obama stroll out to the front lawn for a chat?6 Green Apple Festival April 19The world's biggest Earth Day celebration stages 10 free concerts in major cities (New York, Los Angeles, and San Francisco among them) to honor our planet.