Jesus, whose fame has now spread throughout the country, goes home Nazareth and is not well received. Mark tells us that Jesus did not do many miracles there because of their unbelief. We also get to meet Jesus brothers. Two of them, James and Jude, became significant leaders in the Christian movement in and around Jerusalem.
The wild story of the beheading of John the Baptist doesn't need too much comment. The dancer is usually identified as Salome' -- but we don't get this name from the Bible but from 1st century historian Josephus.
The feeding of the 5000 is the only miracle of Jesus that is recorded in all four gospels. It seems likely that that various centers of the young Christian faith remember this passage because of its connection to Holy Communion. It would also be a very difficult event to forget . . .