Černová massacre: Fifteen people are killed in the Hungary when a gunman opens fire on a crowd gathered at a church consecration, which leads to protests over the treatment of minorities in Austria-Hungary.

The Černová massacre (or Černová tragedy, Slovak: Černovská tragédia, Hungarian: Csernovai tragédia or Csernova Affair) was a shooting that took place in Csernova, Kingdom of Hungary (today Černová, part of Ružomberok, Slovakia) on 27 October 1907 in which 15 people were killed and many were wounded after gendarmes fired into a crowd of people gathering for the consecration of the local Catholic church. The shootings sparked protests in European and American press and turned the world's attention to the treatment of minorities in the Hungarian part of Austria-Hungary.