Purpose of the study: To explore in detail the terror of the period of the first Russian revolution in the assessment of British diplomats during the revolution of 1905-1907. Methodology: The research is based on archival documents, most of which are introduced into scientific discourse for the first time, as well as periodical press materials of that time. The research draws from the documents of the British National Archive and the Russian State Historical Archive (fund: 1276 - Office of the Council of Ministers). The article employs chronological, historical-typological, historical-genetic, comparative and illustrative research methods, as well as systematic analysis and synthesis. Main Findings: The research suggests that in 1905-1907 t...