1. Constantinople
   1. Where:
2. 150 Bishops
   1. Participants:
3. 381 AD
   1. When:
4. Heresy
   1. Macedonius: Holy Spirit is not a person
   2. Apollinarius: Christ is not a perfect human being
5. Decisions - Condemnations
6. Work of 1st Ecumenical Council was taken up.
7. Christ is God and a perfect human being
8. Holy Spirit is God even as Father and Son are God
9. Addition five articles to the Creed
   1. And we believe to the Holy Spirit ... Amen