In May 1809 the dying Haydn received a French military tribute, despite the war raging all around https://www.classical-music.com/features/articles/how-napoleon-honoured-haydn-during-his-invasion-of-vienna/
Andreossy, A.F. Operations des Pontonniers Francais en Italie... https://www.google.com/books/edition/Opérations_des_pontonniers_français_en/QmP06x2pVq8C
