The greatest invention, Movable Metal Type Printing and JikjiWhat do you think the greatest invention throughout the entire human history? The worlds most famous news media, such as BBC, Wall Street Journal, Washington Post and Time Magazine reported that movable metal type printing was the greatest invention throughout the entire human history. In Europe, Gutenberg published the 42-line bible in 1455 while, Koreas Jikji was published in 1377. Those two books were inscribed on the UNESCO on the same day. In Sep 4th, 2001, UNESCO registered them on the Memory of the World which is UNESCO's programme aiming at preservation and dissemination of valuable archive holdings and library collections worldwide. This video introduces the value of JIKJI and metal type printing of Korea. You can get more information about Jikji from http://www.prkorea.org