In te Anjala Conspiracy 1788, 113 noble officers in the Swedish army wrote Russian empress Catherine the Great an offer of restoring peace, since they considered the King's declaration of war illegal under the Swedish constitution.

The whole thing was a piece of a larger play between the King and the nobility, who had gotten used to special priviliges and power during the corrupt "freedom era" 1719-1772 (when the King restored absolutism in a coup).

First, a mod note: Just a reminder to contain all discussion in this thread to events prior to 1995 only, per this subreddit's 20-year rule.

Next up: this question came in yesterday; check out responses here

• Is there a precedent to the letter the Senate just sent to Iran? Has Congress ever undermined a President's diplomatic efforts?