<Tr> <Th> Early Middle Ages (553--870) </Th> </Tr> <Tr> <Td> <Ul> <Li> Constantinople II </Li> <Li> Constantinople III </Li> <Li> Nicaea II </Li> <Li> Constantinople IV </Li> </Ul> </Td> </Tr> <Ul> <Li> Constantinople II </Li> <Li> Constantinople III </Li> <Li> Nicaea II </Li> <Li> Constantinople IV </Li> </Ul> <Tr> <Th> High and Late Middle Ages (1122--1517) </Th> </Tr>

5 changes the council of trent made to the church