Niagara,
  founded
  expedition against
Nina
Nipmuck Indians
Nominating conventions
Non-importation,
  agreements
  Act
Non-intercourse Law
Norfolk evacuated
North, Lord
North American party
North Carolina,
  settled
  in colonial times
  cedes land to Congress
  secedes
  Sherman in
  readmitted
North Castle
North Dakota admitted
Northern attitude toward slavery
Northern Pacific Railroad
Northwest,
  exploration of
  the new
Northwest passage to India
Northwest Territory,
  surrendered
  Indian troubles in
  slavery question in
Notes, United States, see Bonds. 
Nova Scotia,
  part of Massachusetts Bay colony
  struggle for
Nueces River
Nullification doctrine.

%O%

Observer
O’Conor, Charles
Oglethorpe, James
Ohio,
  Settled
  Admitted
  currency plan
Ohio Land Company
Ohio River,
  struggle for
  settlements on
Oklahoma
Old Demand notes
Old Ironsides
Olmsted, F. L.
Omnibus Bill
Omnibuses
Oneida Indians
Onondaga Indians
Orders in Council of 1806 and 1807
Ordinance,
  how passed
  of 1785
  of 1787
Oregon,
  settled
  joint occupation of
  boundaries of
  trail
  a territory
  slavery in
Orleans Territory
Ossawatomie settled
Oswego burned
Otis, James
Overland stage
Owen, Robert.

%P%

Pacific Fur Company
Pacific Ocean,
  discovered
  named
Pacific railroads,
Pacific States settled,
Pakenham, General,
Palmer, John M.,
Palmyra, Mormons at,
Palo Alto, battle of,
Panic, of 1837,
  of 1873,
  of 1893,
Paper currency,
Parker, Joel,
Party platforms, see Platforms. 
Patent office,
Patroons,
Patterson, General,
Paulding,
Pea Ridge, battle of,
Peacock,
Pelican,
Pemberton, General,
Pendleton, George H.,
Pendleton Civil Service Act,
Peninsular campaign,
Penn, William, settles New Jersey and Pennsylvania,
  relations with Indians,
Pennsylvania, granted to Penn,
  in colonial times,
  opposes Townshend Acts,
  Declaration of Independence in,
  Confederates in,
Pennsylvania Freeman,
Pennsylvania Gazette,
Pennsylvania Journal,
Pennsylvania Packet,
Pennsylvania route to West,
Pensacola captured,
Pensions,
People’s party,
Pequot Indians,
Perote,
Perry, Oliver Hazard,
Perryville, battle of,
Personal Liberty laws,
“Pet banks,”
Petersburg, in colonial times,
  Cornwallis at,
  besieged,
  evacuated,
Petroleum,
Philadelphia, founded,
  in colonial times,
  First Continental Congress,
  captured,
  Congress at,
  evacuated,
  constitutional convention at,