unesco.org

nWkL7 TIL about the UNESCO Memory of the World Programme, which seeks to preserve the "documentary heritage" of humanity. Included are archives for: cuneiform tablets, the Battle of the Somme, records of smallpox eradication, Beethoven's Ninth, and so much more.
78n4x TIL about the Memory of the World Programme: an international initiative launched to safeguard the documentary heritage of humanity. It includes, for example, the Gutenberg Bible, Symphony No. 9 by Beethoven, and humanity's first recordings of its own voice
LQE6Z TIL: The Master Printers of Koryo predate the Gutenburg press with the oldest woodblock dating to 751 AD. However due to repeated wars, countless woodblocks were destroyed due to invaders. In addition, supply constraints, an abundance of booze, scarcity of wood, etc led to slow public adoption.