We asked IBM Watson to analyze - using "Personality Insights" - the famous 1940 Winston Churchill speech "We Shall Fight on the Beaches"
https://dreamtolearn.com/node/8OVIWY2C5RLZZSYD9OHCKM8AI/95
Comparing its results to the generally held interpretation of Churchill - how accurate was the analysis?
I can't answer for the history part, but be aware that you are analysing the speech and not the person.
Speeches can often be tailored to resonate with a wider audience, which doesn't reflect the person.