Sometimes a library is purposely destroyed as a form of cultural cleansing.
There are examples of accidentally destroyed libraries by human actions.
Other times they are damaged by natural disasters like earthquakes, floods or accidental fires.
Library fires have happened sporadically through the centuries: notable examples are the destruction of the Library of Alexandria and the accidental burning of the Duchess Anna Amalia Library in Weimar.
Causes vary from arson to the sun's rays setting fire to leaflets through the action of a magnifying lens in a library in Northam, Devon.
206 BC - Epang Palace (or Xianyang Palace) and State Archives in Qin China.
Xiang Yu, rebelling against emperor Qin Er Shi, led his troops into Xianyang.
He ordered the destruction of the Epang Palace (or Xianyang Palace) by fire.
Qin Shi Huang had ordered the burning of books and burying of scholars earlier.