
Archibald Menzies is the first non-Hawaiian to reach the summit of Mauna Loa, nearly 14,000 feet above sea level; his party requires ten days to reach the top, over a trail that still bears his name.
The first vessel of foreign design is built in the Islands.
Britannia is constructed by Vancouver's carpenters for the fleet of Kamehameha.
This year's edition of William Guthrie's
A New System of Modern Geography includes three maps that reference the Hawaiian Islands; they are roughly indicated in a hemispheric map titled "A Map of the World from the Latest Authorities."