Baptism, grace, and the councils that defined Christ’s person

Unknown artist, about AD 425–450, Ravenna. Christ is a gentle shepherd and a crowned ruler.
What Christians believed and did in daily life

Grace, and the two natures of Christ
Each council, with its Lutheran classification
Bishops, teachers, and a king
Sack, siege, battle, and a timeline landmark
What the Confessions say about Christ, Baptism, grace, and the Supper
If Christ is God and man in one person, how does his call in Baptism and the Supper reach sinners today?