What did Pilate post on the cross were Jesus was crucified?

Pilate posted “King of the Jews” on the cross with Jesus. The Jewish leaders objected but Pilate refused to change it.

Source: Matthew 27:37, Mark 15:26, Luke 23:38, John 19:19

After feeding the five thousand the people wanted to make Jesus their King. What did Jesus do?

Jesus left and went to the mountains to avoid the crowd who wanted to make him King.

Source: John 6:15

When in the Bible is Jesus first called King of Kings?

Paul first calls Jesus that in 1^st Timothy. John calls him that twice in the book of Revelation.

Source: 1^st Timothy 6:15