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 First Council of Constantinople:

"

The Eastern Orthodox Church in some places (e.g. Russia) has a feast day for the Fathers of the First Six Ecumenical Councils on the Sunday nearest to July 13[1] and on May 22.[citation needed]