Russian President Vladimir Putin has marked the 80th anniversary of the Soviet victory over Nazi forces in the battle of Stalingrad, and evoked the long and grueling fight as justification for the conflict in Ukraine.

Although Sanders is registered as a Democrat with the Federal Election Commission, a lawsuit filed in Leon County asserts he is a political interloper and not a bona fide Democrat. “Defendant Sanders is clearly an Independent, and is clearly not a Democrat, by his own definitions. With Sanders now the clear front-runner to become the Democratic nominee for the White House, his rivals are looking to slow his momentum. “The lawsuit is ridiculous,” said Juan Peñalosa, the executive director of the Florida Democratic Party, which was named as a defendant in the lawsuit along with Sanders, the national Democratic Party and Florida Secretary of State Laurel Lee. Peñalosa said the state party had unanimously voted to place Sanders on the Florida ballot.

1989: Communist-controlled East Germany opens checkpoints in the Berlin Wall, allowing its citizens to travel to West Germany for the first time since 1961. Over the next few weeks, a euphoric public and souvenir hunters chipped away parts of the wall; the governments later used industrial equipment to remove most of the rest. This key event would lead to the eventual reunification of East and West Germany, and fall of communism in eastern Europe including Russia. Hide Caption