Communist rule in Romania ended in 1989 when a bloody revolt removed Nicolae Ceausescu (shown here delivering a speech in Bucharest in 1967) from power. Keystone/Getty Images hide caption

itoggle caption Keystone/Getty Images

Dissident writer and opposition leader Vaclav Havel addresses the crowd at a rally in Prague celebrating the 40th anniversary of the Universal Declarations of the Human Rights, Dec. 10, 1988. Havel was elected the first president of Czechoslovakia after the fall of the communist regime in 1989. Joel Robine/AFP/Getty Images hide caption

itoggle caption Joel Robine/AFP/Getty Images

A Polish woman flashes the victory sign near the destroyed remains of a replica of the Berlin Wall in central Warsaw as a part of celebrations marking the 20th anniversary of the fall of the Berlin Wall, on Nov. 9, 2009. Wojtek Radwanski/AFP/Getty Images hide caption

itoggle caption Wojtek Radwanski/AFP/Getty Images

Fireworks explode over Brandenburg Gate in Berlin on Monday as part of the celebrations marking the 20th anniversary of the fall of the Berlin Wall. Wolfgang Rattay/AFP/Getty Images hide caption

itoggle caption Wolfgang Rattay/AFP/Getty Images

Checkpoint Charlie shown in June 1968 (left) and October 2009 (right). During the Cold War, Checkpoint Charlie was the main border crossing between East and West Berlin; today, the historic site is a popular shopping district and tourist attraction. John MacDougall/AFP/Getty Images hide caption

itoggle caption John MacDougall/AFP/Getty Images

Cyclists in Hanover, Germany, pass election posters showing German Chancellor Angela Merkel (right) and her Social Democratic challenger, German Foreign Minister Frank-Walter Steinmeier on Wednesday. Fabian Bimmer/AP hide caption

itoggle caption Fabian Bimmer/AP

Mariska, mother of Maria Balogh, reacts during her daughter's funeral Aug. 7 in Kisleta, Hungary. Maria Balogh, a Roma (or Gypsy) woman, was shot dead and her 13-year-old daughter seriously injured on Aug. 3, when their house was attacked in the latest of a series of attacks on Gypsies. Bela Szandelszky/AP hide caption

itoggle caption Bela Szandelszky/AP

"Isn't it lucky that Norway has plenty of money? A big, big oil fortune," says Norwegian tour boat Capt. Knut Jansen. Eric Westervelt/NPR hide caption

itoggle caption Eric Westervelt/NPR