1752 – Pennsylvania Hospital, the 1st hospital in the US, opened.
1766 – The Stamp Act was declared unconstitutional in Virginia.
1768 – Samuel Adams composes a letter to the other colonial governments outlining the sept taken in Massachusetts to oppose the Townshend Acts. The letter complains of “taxation without representation” and warns that the English may tamper with colonial governance to make it more independent of the colonies. Finally, the letter calls for united action by the colonies against the British government.
1790 – The first petition to Congress for emancipation of the slaves was made by the Society of Friends.
1794 – A session of US Senate was 1st opened to the public.
https://thisdayinusmilhist.wordpress.com/2014/02/11/february-11/