I need more proof that there were 8 men who were elected president before george washington can you help?

Question

the names of those eight men are listed;

John Hanson(1781-82), Elias Boudinot(1782-83), Thomas Mifflin(1783-84), Richard Henry Lee(1784-85), John Hancock(1785-86), Nathan Gorman(1786-87), Arthur st. Clair(1787-88), and Cyrus Griffin(1788-89)

Answer 1

"Individuals who presided over the Continental Congress during the Revolutionary period and under the Articles of Confederation had the title "President of the United States in Congress Assembled", often shortened to "President of the United States". "

Prior to the convening of the First Continental Congress, two others took place. Their presidents were:

James DeLancey of New York; Albany Congress of 1754.

Timothy Ruggles of Massachusetts; Stamp Act Congress of 1765.

The following men served as the President of the First Continental Congress:

Peyton Randolph (September 5, 1774 – October 21, 1774) and

Henry Middleton (October 22, 1774 – October 26, 1774)

The following men served as the President of the Second Continental Congress:

Peyton Randolph (May 10, 1775 – May 23, 1775)

John Hancock (May 24, 1775 – October 31, 1777)

Henry Laurens (November 1, 1777 – December 9, 1778)

John Jay (December 10, 1778 – September 27, 1779)

Samuel Huntington (September 28, 1779 – March 1, 1781)[2]

Under the Articles of Confederation, the following men served as President of the United States in Congress Assembled:

Samuel Huntington (March 1, 1781[3] – July 9, 1781)

Thomas McKean (July 10, 1781 – November 4, 1781)[4]

John Hanson (November 5, 1781 – November 3, 1782)

Elias Boudinot (November 4, 1782 – November 2, 1783)

Thomas Mifflin (November 3, 1783 – October 31, 1784)

Richard Henry Lee (November 30, 1784 – November 6, 1785)

John Hancock (November 23, 1785 – June 5, 1786) Due to Hancock's failing health the following two people acted as president in his stead:[1]

David Ramsay (November 23, 1785 – May 12, 1786)

Nathaniel Gorham (May 15, 1786 – June 5, 1786)

Nathaniel Gorham (June 6, 1786 – November 5, 1786)

Arthur St. Clair (February 2, 1787 – November 4, 1787)

Cyrus Griffin (January 22, 1788 – March 4, 1789)

Answer 2

they were not "presidents". They were leaders with a following of people.

A President is an elected official of the governement. There were no other US presidents before Washington, the government was not created yet.