Precambrian 346
Paleozoic 334
Permian 250
Pennsylvanian 206
Pleistocene 193
Pliocene 114
Proterozoic 100
Primitive and early church, ca. 30-600 97
Paleocene 69
Paleogene 25
Puritan Revolution, 1642-1660 24
Peloponnesian War, 431-404 B.C. 22
Persian Gulf War, 1991 15
Philippine American War, 1899-1902 15
Pre-Quaternary 15
Post-exilic period, 586 B.C.-210 A.D. 13
Partition, 1947 11
Plantagenets, 1154-1399 10
Peter I, 1689-1725 7
Partition, 1995 6
Philip II, 1556-1598 6
Peasant Uprising, 1994- 5
Period of civil wars, 1480-1603 4
Philip IV, 1621-1665 4
Philip V, 1700-1746 4
Period of discoveries, 1385-1580 3
Persian Wars, 500-449 B.C. 3
Punitive Expedition into Mexico, 1916 3
Phanerozoic 2
Protests, 2011- 2
Protests, 2011-2013 2
P 14657) CBS 1
P 20395) CBS Special Products 1
Partition, 1921 1
Partition, 1947- 1
Paul I, 1796-1801 1
Period of Italian Kings, 887-962 1
Period of northern and southern courts, 1336-1392 1
Periodo colonial, ca. 1600 1775 1
Periódo anterior a 1600 1
Persian Wars, 500 B.C.-449 B.C. 1
Período clásico, 1500-1700 1
Período colonial, ca. 1600 1775 1
Peter III, 1762 1
Peterloo Massacure,1819 1
Philip II Augustus, 1180-1223 1
Pre-Cenozoic 1
Pre-Columbian 1
Proposed partition, 1937 1