Oath of Founders of Rhode Island, 070; Of Allegiance administered to Officers of American Army before leaving Valley Forge, 352; Of Supremacy defined, 395; Of Allegiance to American Cause, taken by People of Cahokia in 1778, 496; Of Vengeance of Dunmore at Williamsburg, in 1775, 504, Observatory, Rogers's, near Valley Forge, 333.

Oceatunk, Notice of, 419.

Ocoquan, Notice of, 419.

Officers, American, Dissatisfaction of, in 1783--Hold private Meeting at Newburg, 107; Send anonymous Addresses to the Army, 107, 108; Addressed by Washington--Send Proceedings of Meeting to Congress, 109; Unanimously reject Propositions of anonymous Addresses, 110; Not called by their proper Titles by British, 116; Of Washington's Life Guard, 120; Medical, in American Army in 1777, 240; General, Names of, appointed in Continental Army in 1777, 241; Disposition of, in 1777, 207; Boldness of, at Philadelphia, in 1778, 311.

Officers, British, excite Indians against Whites after Battle of Bunker Hill, 497.

Officers, French, cantoned at Lebanon in 1780, 032; Arrive at Williamsburg, Virginia, in 1781, 513.

Ogden, Colonel Aaron, succeeds General Thomas Pinckney as President General of Society of the Cincinnati, 129; Embassy of, to Paulus's Hook--Biographical Sketch of, 200; At Battle of Monmouth, 362; At Siege of Yorktown in 1781, 519.

Ogilvie, Mrs., Notice of, 135.

Ogle, Captain, at Siege of Fort Henry in 1777, 498.

Oglethorpe, General James, biographical Sketch of, 721; Commands in South Carolina and Georgia in 1739--In Expedition against St, Augustine in 1740--Repulsed Spaniards in 1742, 723.

O'Hara, General, surrenders Cornwallis's Sword at Yorktown, 524; At Battle of Cowan's Ford, 598; In Battle of Guilford, 609.

Ohio Company, Formation of, in 1719, 472; Complain of Incursions of the French on their Territory, 473.

Old Dominion, Origin of its Application to Virginia, 450.

Oldham, Colonel, in Expedition to the Haw in 1781, 592.

Old Point Comfort, Virginia, early History of, 531.

O'Neil, Colonel William, Notice of, 592.

Opechancanough, captures John Smith in 1607, 453; Succeeds Powhatan, 458; Made Prisoner in 1616--Dies in Captivity, 459.

Orangeburg, South Carolina, History of, 696.

Orange County, New York, first Settlement of, 101; Citizens of, erect Monument in Memory of the Slain at Battle of Minisink, in 1822, 103.

Orkney, Earl of, succeeds Nicholson as Governor of Virginia in 1705--Exercises Functions of his Office through Deputies Mott, Jennings, and Spottswood, 471.

Orme, Colonel, wounded in Battle at Fort Duquesne in 1755, 479.

Orne, General Azor, appointed Major General by Washington in 1776, 010.

Orr, Nathan, Notice of, 617.

Osborn, Sir Danvers, commits Suicide in 1753, 786.

Osborne, Janies, Notice of, 617.

Osborne, James W., Notice of, 616, 619.

Osborne's Hill, Notice of, 381.

Oswald, Colonel Eleazer, at Battle of Monmouth--Biographical Sketch of, 357.

Outbreaks in North Carolina in 1770, 573.

Owaneko, Indian Warrior, Notice of, 029.

Oyster Bay, Simcoe's, Camp at, 833.