Archbold becomes AMNH research associateJan 1, 1931Labels: Richard Archbold, American MuseumAMNH ArchivesABS History
First New Guinea expedition begins at Port MoresbyFeb 28, 1933Labels: First Archbold, Port MoresbyAMNH ArchivesSmithsonian
First expedition shifts to Yule Island and Mt. Albert EdwardMar 30, 1933Labels: Yule Island, Mount AlbertAMNH ArchivesSmithsonian
First expedition’s second leg starts in the Daru regionJan 3, 1934Labels: Daru region, Second legAMNH Archives
Second expedition begins; amphibious aircraft introducedFeb 1, 1936Labels: Second Archbold, Amphibious aircraftAMNH ArchivesSmithsonian
Storm capsizes aircraft; expedition adapts via Fly River routeJul 1, 1936Labels: Fly River, Aircraft capsizeAMNH Archives
Third expedition preparations start with Java negotiationsDec 1, 1937Labels: Third Archbold, Java negotiationsAMNH Archives
Third expedition establishes Hollandia base campApr 23, 1938Labels: Hollandia Jayapura, Coastal baseAMNH ArchivesSmithsonian
Guba II arrives, enabling deeper inland logisticsJun 10, 1938Labels: Guba II, Expedition aircraftAMNH Archives
Third expedition departs New Guinea, concluding prewar phaseMay 21, 1939Labels: Third Archbold, Prewar phaseAMNH Archives
Archbold founds Archbold Biological Station in FloridaJul 21, 1941Labels: Archbold Biological, Red HillABS HistoryABS About
Fourth expedition launches to Eastern Papua and islandsMar 1, 1953Labels: Fourth Archbold, D EntrecasteauxAMNH Archives
Fourth expedition reaches Mount Dayman peakMay 17, 1953Labels: Mount Dayman, High-elevation collectingAMNH Archives
Fifth expedition departs for southeastern PNG and offshore islandsMar 1, 1956Labels: Fifth Archbold, Leonard JArnold ArboretumAMNH Archives
Fifth expedition returns, closing 1933–1956 storylineJan 1, 1957Labels: Fifth Archbold, Expedition closureArnold ArboretumSmithsonian