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Wikipedia「Richard I of England」

Wikipedia (according to the sources of each article)

Claims Supported by This Source

  1. The ransom was 150,000 silver marks, 2-3 times the king's annual income in Richard's time.
  2. A tax of one-quarter of property and the confiscation of gold and silver treasures from churches.
  3. Release was on February 4, 1194.

How to read the verification levels. 'Read' means the material was read in its entirety. 'Bibliography and abstract confirmed' means the bibliographic information and abstract were verified. 'Via course material' means the source was referenced through the main text of a book or a country's monetary history. The text hash is the SHA-256 of the main text from the original source page, excluding tags and whitespace, used to detect if the material has been altered.