Congress authorizes a U.S. Pacific exploring missionJan 1, 1836Labels: U S, Pacific ExpeditionNMAHSIA Featured
The expedition sails from Hampton RoadsAug 18, 1838Labels: Hampton Roads, Charles WilkesSIA FeaturedSmithsonianMag
Scientists begin systematic plant collecting overseasJan 1, 1839Labels: Expedition botanists, Specimen preservationSIA ExpeditionSIA RU007186
Antarctic coastal voyage supports a continental AntarcticaJan 19, 1840Labels: Antarctic survey, Charles WilkesSIA ExpeditionSmithsonianMag
South Pacific surveys expand island plant collectionsJun 1, 1840Labels: South Pacific, Island floraSIA ExpeditionSIA RU007186
Squadron departs Honolulu for the Pacific NorthwestApr 5, 1841Labels: Honolulu, Pacific NorthwestUSExEx SILWikipedia
USS Peacock wrecks entering the Columbia RiverJul 18, 1841Labels: USS Peacock, Columbia RiverHistoryLinkSIA RU007186
Surveys and collecting proceed in Oregon CountryAug 1, 1841Labels: Puget Sound, Oregon CountryOHS ProjectHistoryLink
Expedition returns to New York CityJun 10, 1842Labels: Vincennes, New YorkSIA ExpeditionThe Dial 1842
Expedition plant specimens become a foundation collectionJan 1, 1848Labels: U S, Wilkes collectionsUS Natl HerbSIL Resources
Botanical results begin appearing in official reportsJan 1, 1854Labels: Asa Gray, William BrackenridgeSIL OverstreetSLA Digital
Congress funds transfer of collections to SmithsonianMar 3, 1857Labels: U S, Smithsonian InstitutionSIA SIC 676SIL Walsh