Klagenfurt Styria formed the British occupation zone in liberated Austria, a state of affairs which lasted until 26 October 1955. In 1961, Klagenfurt became the first city in Austria to adopt a pedestrian zone. The idea of a friendly twinning of cities in other countries that had started with the very first ever city partnership - Klagenfurt and Wiesbaden, Germany, as early as 1930 - was followed up by numerous city partnerships with the result that in 1968 Klagenfurt was honoured with the title of a "European City of the Year". Three times, a European record, Klagenfurt was also awarded the
No. 6 2013 issue. Kodansha Comics is currently publishing the series in North America, and released the first volume in June 2013. An anime television series adaptation produced by Bones and directed by Kenji Nagasaki began airing in Japan on Fuji TV's noitamina programming block on July 7, 2011. The anime's opening theme is "Spell" by Lama and the ending theme is by Aimer. Sentai Filmworks has licensed the anime for American audiences and it was released on both DVD and Blu-ray on August 21, 2012. Rights to the series expired in 2018. No. 6 No. 6 is a nine-volume novel series