During King George's War (1744–1748), Governor Clinton preempted the authority of the Commissioners and appointed Sir William Johnson to deal with the Iroquois.
In the mid-18th century, Sir William Johnson, founder of Fort Johnson in Montgomery County and of Johnstown, arrived in the area that would become Fulton County.
Indian Castle Church was built in 1769 as a missionary church to the Mohawk in this western settlement, by Sir William Johnson, British Superintendent of Indian Affairs, on land donated by Mary Brant, his consort, and her younger brother Joseph Brant, Mohawk leaders allied with Johnson.
Other notable visitors included François Dollier de Casson and René de Bréhant de Galinée (1670), Jean-Baptiste Céloron de Blainville (1749) and Sir William Johnson (1761).
It is said that the first European explorer to visit Waconda Spring was Sir William Johnson in 1767; however, this is unlikely.
William Shakespeare | William Laud | Lyndon B. Johnson | William Blake | Sir | William | William III of England | William Morris | William McKinley | William Howard Taft | William Ewart Gladstone | William the Conqueror | William S. Burroughs | Sir Walter Scott | William Shatner | William Faulkner | William Randolph Hearst | William Wordsworth | William Tecumseh Sherman | Samuel Johnson | William Hogarth | Prince William, Duke of Cambridge | Johnson & Johnson | William Penn | William Jennings Bryan | William Gibson | Dwayne Johnson | Boris Johnson | William Wilberforce | Johnson |
In 1761 Macleod attended the Niagara Conference held between Sir William Johnson and Pontiac.
The 1764 Treaty of Fort Niagara was signed by Sir William Johnson for The Crown and 24 Nations from the Six Nations, Seneca, Wyandot of Detroit, Menominee, Algonquin, Nipissing, Ojibwa, Mississaugas, and others who were part of the Seven Nations of Canada and the Western Lakes Confederacy.
Hendrick Theyanoguin (1692–1755), Mohawk leader associated with Sir William Johnson
Capt. Folsom's company was able to capture the French baggage train and the French commanding officer Jean Erdman, Baron Dieskau, as the French and Indian forces tried to disengage from Sir William Johnson's main force.