| 1793 |
Alexander Mackenzie travels overland across the Rockies to the Pacific Coast |
| 1794 |
Archibald Menzies collects plants with George Vancouver’s Pacific Coast survey |
| 1799 |
David Douglas is born in Scone village, Perthshire, Scotland |
| |
Alexander von Humboldt gathers biological and geomagnetic data in Latin America |
| 1801 |
André Michaux’s The Oaks of North America is published in Paris |
| 1804 |
London Horticultural Society is established |
| 1805 |
Lewis and Clark winter at the mouth of the Columbia River |
| 1810 |
Douglas begins summer work in the gardens at Scone Palace |
| 1811 |
David Thompson completes first survey of the entire Columbia River |
| 1814 |
Frederick Pursh publishes Flora Americae Septentrionalis in London |
| 1818 |
John Ross and Edward Sabine gather geomagnetic data in the Antarctic |
| 1819 |
John Franklin begins his first Arctic expedition |
| 1820 |
Douglas works under William Jackson Hooker at Glasgow Botanic Garden |
| 1823 |
London Horticultural Society sends Douglas to collect in mid-Atlantic states |
| 1824 |
Douglas departs for the Pacific Northwest |
| |
Franklin publishes Journey to the Polar Sea |
| 1825 |
Douglas collects on the lower Columbia |
| |
Franklin departs on his second Arctic expedition |
| 1826 |
Douglas collects on the Columbia Plateau |
| 1827 |
Douglas travels with a fur brigade across Canada, then returns to England via Hudson Bay |
| 1828 |
Douglas works in London and delivers several scientific papers |
| 1829 |
Douglas studies surveying and geomagnetic measurements with Edward Sabine in London, then departs for second trip to the Pacific Northwest |
| |
William Jackson Hooker publishes volume 1 of Flora Boreali-Americana |
| |
John Richardson publishes Fauna Boreali-Americana |
| 1830 |
Douglas stops in Hawaii on the way to the Columbia River |
| |
Charles Lyell publishes volume 1 of Principles of Geology |
| 1831 |
Douglas travels in California |
| |
Charles Darwin departs with Captain Robert Fitzroy aboard the Beagle |
| 1832 |
Douglas returns to the Columbia |
| |
Aylmer Lambert publishes the third volume of A Description of the Genus Pinus |
| 1833 |
Douglas travels north to Fort St. James via the Fraser River, then departs from the Columbia for Hawaii |
| 1834 |
Douglas dies in a cattle pit trap in Hawaii |
| |
Douglas’s “Volcanoes in the Sandwich Islands” appears in Geographical Society |
| 1836 |
Hooker publishes “A Brief Memoir of the Life of David Douglas” in the Companion to the Botanical Magazine |
| 1837 |
Edward Sabine presents “Observations taken on the west coast of North America by the late Mr. David Douglas” |
| 1914 |
The Royal Horticultural Society publishes a selection of Douglas’s writings |
