More than 1 million Greeks have been peacefully protest in the port of Τhessaloniki. The protest took place on 21 January on the occasion of the attempted to steal the Greek name of Macedonia.
Sources:
http://www.evros-news.gr/2018/01/21/%CE%BC%CE%B9%CF%83%CF%8C-%CE%B5%CE%BA%CE%B1%CF%84-%CE%AD%CE%BB%CE%BB%CE%B7%CE%BD%CE%B5%CF%82-%CE%B2%CF%81%CE%BF%CE%BD%CF%84%CE%BF%CF%86%CF%8E%CE%BD%CE%B1%CE%BE%CE%B1%CE%BD-%CE%B5%CE%BA%CF%84%CE%BF/
http://www.topontiki.gr/category/ellada