over 40 here. all should know this but here is a list.
[TABLE="width: 1261"]
[TR]
[TD="bgcolor: #FFCC99"]Peyton Randolph (1st time)[/TD]
[TD="bgcolor: #66FF99"]Virginia[/TD]
[TD="bgcolor: #66FF99"]September 5, 1774 - October 22, 1774[/TD]
[TD="bgcolor: #66FF99"]1 month, 17 d.[/TD]
[TD="bgcolor: #66FF99"]resigned[/TD]
[TD="bgcolor: #66FF99"]1st Continental Congress[/TD]
[/TR]
[TR="bgcolor: #FF9500"]
[TD="width: 20, bgcolor: #FF9500"]2[/TD]
[TD="bgcolor: #FFCC99"]Henry Middleton (acting)[/TD]
[TD="bgcolor: #66FF99"]South Carolina[/TD]
[TD="bgcolor: #66FF99"]October 22, 1774 - October 26, 1774[/TD]
[TD="bgcolor: #66FF99"]4 d.[/TD]
[TD="bgcolor: #66FF99"]interim[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFFFFF, colspan: 3"]No one, Congress adjourned[/TD]
[TD="bgcolor: #FFFFFF"]October 26, 1774 - May 10, 1775[/TD]
[TD="bgcolor: #FFFFFF, colspan: 3"]6 months, 14 d.[/TD]
[/TR]
[TR]
[TD="width: 20, bgcolor: #FF9500"]3[/TD]
[TD="bgcolor: #FFCC99"]Peyton Randolph (2nd time)[/TD]
[TD="bgcolor: #66FF99"]Virginia[/TD]
[TD="bgcolor: #66FF99"]May 10, 1775 - May 24, 1775[/TD]
[TD="bgcolor: #66FF99"]14 d.[/TD]
[TD="bgcolor: #66FF99"]resigned[/TD]
[TD="bgcolor: #66FF99"]2nd Continental Congress[/TD]
[/TR]
[TR="bgcolor: #CBD000"]
[TD="width: 20, bgcolor: #FF9500"]4[/TD]
[TD="bgcolor: #FFCC99"]John Hancock[/TD]
[TD="bgcolor: #66FF99"]Massachusetts[/TD]
[TD="bgcolor: #66FF99"]May 24, 1775 - October 28, 1777[/TD]
[TD="bgcolor: #66FF99"]2 years, 5 months, 4 d.[/TD]
[TD="bgcolor: #66FF99"]resigned[/TD]
[/TR]
[TR="bgcolor: #CBD000"]
[TD="width: 20, bgcolor: #FF9500"]5[/TD]
[TD="bgcolor: #FFCC99"]Charles Thomson (acting)[/TD]
[TD="bgcolor: #66FF99"]Pennsylvania[/TD]
[TD="bgcolor: #66FF99"]October 29, 1777 - November 1, 1777[/TD]
[TD="bgcolor: #66FF99"]2 d.[/TD]
[TD="bgcolor: #66FF99"]interim[/TD]
[/TR]
[TR="bgcolor: #CBD000"]
[TD="width: 20, bgcolor: #FF9500"]6[/TD]
[TD="bgcolor: #FFCC99"]Henry Laurens[/TD]
[TD="bgcolor: #66FF99"]South Carolina[/TD]
[TD="bgcolor: #66FF99"]November 1, 1777 - December 9, 1778[/TD]
[TD="bgcolor: #66FF99"]1 year, 1 month, 1 d.[/TD]
[TD="bgcolor: #66FF99"][/TD]
[/TR]
[TR="bgcolor: #CBD000"]
[TD="width: 20, bgcolor: #FF9500"]7[/TD]
[TD="bgcolor: #FFCC99"]John Jay[/TD]
[TD="bgcolor: #66FF99"]New York[/TD]
[TD="bgcolor: #66FF99"]December 10, 1778 - September 28, 1779[/TD]
[TD="bgcolor: #66FF99"]9 months, 18 d.[/TD]
[TD="bgcolor: #66FF99"]resigned[/TD]
[/TR]
[TR="bgcolor: #CBD000"]
[TD="width: 20, bgcolor: #FF9500"]8[/TD]
[TD="bgcolor: #FFCC99"]Samuel Huntington[/TD]
[TD="bgcolor: #66FF99"]Connecticut[/TD]
[TD="bgcolor: #66FF99"]September 28, 1779 - March 2, 1781[/TD]
[TD="bgcolor: #66FF99"]1 year, 5 months, 4 d.[/TD]
[TD="bgcolor: #66FF99"][/TD]
[/TR]
[TR="bgcolor: #9933FF"]
[TD="bgcolor: #FFFFFF, colspan: 3"]The Presidents of the United States Congress[/TD]
[TD="bgcolor: #FFFFFF, colspan: 4"]March 2, 1781 —[/TD]
[/TR]
[/TABLE]