User:Hawkeye7/War/Selected anniversaries/December 21

December 21:

 * 1780 - Great Britain declares war on the Netherlands in response to the Dutch joining the League of Armed Neutrality and for assisting French and American forces during the American Revolution.
 * 1861 - The Medal of Honor first authorized.
 * 1861 - Lord Lyons, the British minister to the United States, meets with United States Secretary of State William H. Seward concerning Confederate envoys arrested by the United States Navy in order to prevent war between the United States and the United Kingdom.