Conversation so far:
What did Phillip Sheridan do postbellum?
Philip Sheridan was promoted to lieutenant general
what did Phillip Sheridan do after becoming lieutenant general?
Philip Sheridan was sent observe and report on the Franco-Prussian War
what else was Philip Sheridan was doing in the time when he was sent observe and report on the Franco-Prussian War?
Philip Sheridan was present when Emperor Napoléon III surrendered to the Germans
what happened in the franco prussian war where Philip Sheridan was present when Emperor Napoléon III surrendered to the Germans?
The Franco-Prussian War was a conflict between the Second French Empire and the German states of the North German Confederation led by the Kingdom of Prussia.
and what did Philip Sheridan think about the surrender of napoleon III to the Germans?
it was gratifying to Phillip Sheridan following his experiences with the French in Mexico.
did Philip Sheridan have any part in the Franco-Prussian war?
Phillip Sheridan had attached himself as an observer to the victorious Prussian army

Question: what did he do after the FP war
Self-contained rewrite: what did Phillip Sheridan do after the Franco-prusssian war?