When a missionary, spy and friend of opium traders visited Korea
More than a century after Dutch sailor Hendrick Hamel published the first book about Korea in a European language, a handful of Western explorers visited its coasts and recorded their impressions in memoirs. In 1787, French explorer Jean-François de La Pérous…
IntelMap indexes open-source reporting. This page identifies what a source reported; it does not independently confirm the claim.
10 recorded states
Signal first indexedP1 · 68% quality · 1 source
Corroboration 1→2 sources · quality 68→72P1 · 72% quality · 2 sources
Quality 72→76P1 · 76% quality · 2 sources
Quality 76→80P1 · 80% quality · 2 sources
Quality 80→84P1 · 84% quality · 2 sources
Quality 84→88P1 · 88% quality · 2 sources
Quality 88→92P1 · 92% quality · 2 sources
Quality 92→96P1 · 96% quality · 2 sources
Quality 96→99P1 · 99% quality · 2 sources
Corroboration 2→1 sourcesP1 · 99% quality · 1 source