Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page 1921:

"
  • July 14 – A Massachusetts jury finds Nicola Sacco and Bartolomeo Vanzetti guilty of first degree murder following a widely publicized trial whose verdict will spark protests around the world.[6]
  • July 17 – The Republic of Mirdita is proclaimed near the Albanian-Serbian border, with Yugoslav support.[citation needed]