Categories - Geography
- Louisiana Purchase
- Mackenzie Reaches the Arctic Ocean
- Magellan Expedition Circumnavigates the Globe
- Many New Nations Emerge During Africa’s Year of Independence
- Marco Polo
- Matthew Fontaine Maury
- Mexican-American War
- Military Maps and Cartography
- Narváez’s and Cabeza de Vaca’s Expeditions
- Norway Becomes Independent
- Nunavut Territory
- Occupation of California and the Southwest
- Organization of German Confederation
- Pacific Railroad Surveys
- Partition of India
- Partitioning of Poland
- Pausanias the Traveler
- Peary and Henson Reach the North Pole
- Pennsylvania Is Founded
- Pěro da Covilhã
- Philippines Republic Regains Its Independence
- Portugal Grants Independence to Its African Colonies
- Powell’s Report on the Lands of the Arid Region
- Prehistory: Arctic
- Prehistory: California
- Prehistory: Great Basin
- Prehistory: Northeast
- Prehistory: Northwest Coast
- Prehistory: Plains
- Prehistory: Plateau
- Prehistory: Southeast
- Prehistory: Southwest
- Prehistory: Subarctic
- Prince Henry the Navigator Promotes Portuguese Exploration
- Prophetstown Is Founded
- Ptolemy (astronomer)
- Puerto Rico Becomes a Commonwealth
- Purchase of Alaska
- Pytheas
- Quebec Act
- Republic of Portugal Is Proclaimed
- Revolutions of 1848 in Italy
- Rhine-Danube Frontier Is Established
- Rhode Island Is Founded
- Roald Amundsen
- Russian Voyages to Alaska
- Scylax of Caryanda Voyages the Indian Ocean
- Second Peace of Thorn
- Sir Francis Drake
- Sir James Clark Ross
