King's Knight was created on 1986-09-18.
Arcana Knight Joker Sources: http://yugioh.wikia.com/wiki/Arcana_Knight_Joker
Michael Knight - Knight Rider - was created in 1982.
Street Knight was created on 1993-03-12.
Knight Move was created in 1990.
The Incorporated Knight was created in 1987.
The Nonexistent Knight was created in 1959.
Lucy Knight was created in 1998.
The Spectre Knight was created in 1878.
Knight Marischal was created in 1633.
Silent Knight was created in 1955.
The Miserly Knight was created in 1906.
Mage Knight was created in 2001.