1957 – MTV3 starts operation.
1963 – The KVLY-TV mast (formerly the KTHI-TV mast) becomes the tallest artificial structure in the world.
Monday, Aug 13 2012 by kjfitz
1957 – MTV3 starts operation.
1963 – The KVLY-TV mast (formerly the KTHI-TV mast) becomes the tallest artificial structure in the world.