Members of KOGIDA, the Cologne arm of the anti-immigrant movement Patriotic Europeans Against the Islamisation of the West (PEGIDA) take part in a demonstration march in Cologne, Germany, on Jan. 2015. The weekly PEGIDA demonstrations began last October as a local protest against the building of new shelters for refugees, and have been growing in size. Ina Fassbender/Reuters
Russian ultra-nationalists march during a demonstration on the outskirts of Moscow, on Nov. 2010. Russia marks the Day of People's Unity on November 4 when it celebrates the defeat of Polish invaders in 1612 and replaces a communist celebration of the 1917 revolution. Mikhail Voskresensky/Reuters
Ariunbold Altankhuum, founder of Mongolian neo-Nazi group Tsagaan Khass sits at his desk at the group headquarters in Ulan Bator, on June 2013. Over the past years, ultra-nationalist groups have expanded in the country. Tsagaan Khass shifted its focus from activities such as attacks on women it accuses of consorting with foreign men to environmental issues, with the stated goal of protecting Mongolia from foreign mining interests. This ultra-nationalist group was founded in the 1990s and currently has more than a hundred active members. Carlos Barria/Reuters
Members of the Ku Klux Klan, Aryan Nation, National Socialist Movement, and the Sadistic Souls Motorcycle Club ride a MATA bus to the Shelby County Courthouse in Memphis, Tenn., on March 2013, for a rally to protest the renaming of three parks in Memphis. Jim Weber/The Commercial Appeal/AP
A member of the extreme right Greek Golden Dawn party holds a flag bearing their party's logo during an election campaign rally in Athens, on April 2012. The rise of Golden Dawn - which denies critics' labels as neo-Nazi - is all the more intriguing in a country proud of its World War II resistance against Nazi Germany and where anti-German sentiment still runs high over austerity measures. Yannis Behrakis /Reuters
Ultra right-wing demonstrators make fascist salutes through the smoke from flares during Spain's National Day in Barcelona, on Oct. 2013. Albert Gea/Reuters
A visitor walks past Nazi uniforms and a Swastika flag that were confiscated by the Berlin police during raids against German neo-Nazis. The items were being presented to the public during an open day at a police barracks in Berlin, on Sept. 2014. Fabrizio Bensch/Reuters
Members of the controversial extreme-right 'Magyar Garda' nationalist party hold historical flags while remembering the 51st anniversary of the death of Miklos Horthy in downtown Budapest, Hungary, in 2008. Horthy was Hungary's regent of the WWII era whose government was supported by a strong tide of nationalism. Bela Szandelszky/AP
Beate Zschaepe, member of the neo-Nazi group National Socialist Underground (NSU) enters the court room before the start of her trial in Munich, southern Germany, on May 2013. The highest-profile neo-Nazi murder trial in Germany in decades opened amid tight security and intense media interest, with the five accused appearing in public for the first time since their arrest more than a year ago. Matthias Schrader/AP
Ismail Yozgat cries during a April 2013 ceremony in Kassel, Germany, memorializing his son Halit Yozgat, who was killed by the National Socialist Underground (NSU). Yogzat and other relatives of the victims of the NSU neo-Nazi group demanded the trial against Beate Zschaepe be relayed to them by video link in an additional room as well as the courtroom. Lisi Niesner/Reuters
Ultra right-wing demonstrators make fascist salutes as they hold Chilean flags and shout slogans during the final ruling court session of a decades-old maritime dispute between Peru and Chile, in Santiago, on Jan. 2014. Chile's claim to rich fishing grounds in the Pacific Ocean, disputed by Peru, was upheld by an international court ending one of Latin America's last big border spats.
Anders Behring Breivik, a right-wing extremist who confessed to a bombing and mass shooting that killed 77 people on July 22, 2011, arrives for a detention hearing at a court in Oslo, Norway. Heiko Junge/ Scanpix Norway/AP
Richard Butler (c.) founder of the Aryan Nations sect, salutes along with other members of the neo-Nazi group as a crowd of counter-demonstrators attempts to shout them down in 1999 at an Aryan Nations rally in Coeur d'Alene, Idaho. Jeff T. Green/AP
A man with a white power tattoo at the 'Pressefest' a far-right wing summer festival in the village of Viereck, Germany, on Aug., 2012. The event was organized by the Deutsche Stimme, a publication of the far-right National Democratic Party of Germany (NPD). Germany's domestic intelligence service has branded the NPD 'racist, anti-Semitic and revisionist' but banning a political party is especially sensitive in Germany. Thomas Peter/Reuters
Police watch English Defense League members protesting in St. George's Square, Luton, England, as they march through the town center, in 2011. Officers formed cordons to separate about 3,000 supporters of the English Defense League from hundreds of members of left-wing group Unite Against Fascism and Muslim organizations in Luton, a working-class town near London with a history of racial tension. John Stillwell/PA/AP
Beate Zschäpe's image was splashed across German newspapers today as her trial opened on charges of being a member of the Nationalist Socialist Underground. The existence of the murderous group eluded authorities for years.