between Maryland and Virginia covering the use of the Potomac River 1786 August 29: Shays' Rebellion begins September 11–14: 1786 Annapolis Convention held; delegates issues a report calling for another meeting in the spring with delegates from all states 1787 February 21: Congress calls a constitutional convention "for the sole and express purpose of revising the Articles of Confederation and reporting to Congress and the several legislatures such alterations and provisions therein and when agreed to in Congress and confirmed by the States render the Federal Constitution adequate to the exigencies of Government and the preservation of the Union" May 25: Constitutional Convention convenes in Philadelphia; every state except for Rhode Island sends delegates July 13: Congress passes the Northwest Ordinance September 17: Constitutional Convention adjourns after completing work on the United States Constitution September 28: Congress votes to transmit the proposed Constitution to the 13 states for ratification 1788 July 2: Congress President Cyrus Griffin informs Congress that New Hampshire has ratified the Constitution and notes that it is the ninth ratification, thereby allowing for the establishment of the new government July 8: A committee is formed to examine all ratifications received and to develop a plan for putting the new Constitution into operation. September 13: Congress certifies that the new constitution has been duly ratified and sets date for first meeting of the new federal government and the presidential election October 10: The last session during which the Continental Congress succeeded in achieving a quorum; and passes its last ordinance November 15: Cyrus Griffin, the 10th president of Congress under the Articles of Confederation, resigns 1789 March 2: Last meeting of the Continental Congress, held at Fraunces Tavern, is adjourned sine die; Philip Pell is the only member in attendance March 4: First session of the 1st United States Congress begins at Federal Hall April 30: George Washington inaugurated as first President of the United States July 23: Charles Thomson transmits to President Washington his resignation of the office of Secretary of Congress July 25: In accordance with President Washington's directions, "the books, records, and papers of the late Congress, the Great Seal of the Federal Union, and the Seal of the Admiralty" are delivered over to Roger Alden, deputy secretary of the new Congress, who had been designated by President Washington as custodian for the time being See also Journals of the Continental Congress Confederation Period List