E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Milan Decree (The).
A decree made by Napoleon I., dated Milan, Dec. 27, 1807, declaring the whole British E&mgrave;pire to be in a state of blockade, and forbidding all countries either from trading with Great Britain or from even using an article of British manufacture.
1
This very absurd decree was killing the goose which laid the golden eggs, for England was the best customer of the very countries thus restricted from dealing with her.