Here are the possible solutions for site of napoleonic defeat 1809 clue
Answer
Clue
Relevancy
aspern
Clue
Site of Napoleonic defeat (1809)
Napoleonic battle: 1809
abe
Clue
Nickname of the man (born 2/12/1809) who gave the address at 18A, issued the 28A/45A, was the first elected president of the 60A Party, and whose name can be found in this puzzle's main diagonal
1809-65 guy
abrahamlincoln
Clue
Statesman born 2/12/1809 whose surname can precede the starts of four long puzzle answers
Notable born 2/12/1809
beer
Clue
Secretary of ___ (cabinet position that a 2007 Chicago Tribune article stated that President Madison tried to create in 1809)
Definition
an alcoholic drink made from malted barley flavoured with hops