Detailed Instructions: Generate a correct and concise answer for the question based on the words in the context.
Q: Context : Friedrich von Löwis of Menar (Germanized name; Russian: Фёдор Фёдорович Левиз / Fedor Fedorovich Leviz) (6 September 1767, Haapsalu - 16 April 1824) was a Russian lieutenant general of the Napoleonic Wars. 
Question : What war or battle did Friedrich von Löwis of Menar fight in?
A:
Napoleonic Wars