What was accomplished by members of the second continental congress during their meeting in Philadelphia

There are 5 major accomplishments during the Second Continental Congress. First, the Continental Army was established on June 1775 and made George Washington the General. Secondly, the Olive Branch petition was sent to the King of Britain on July 8 1775. Next is the Declaration of Independence on the 4th of July in 1776 declaring the United States as an independent country. On June 1777, they passed the flag resolution for an official United States Flag. Lastly, the creation of a real government after signing the articles of confederation on March 1781.