caption branch death_date death_place birth_place allegiance battles birth_date placeofburial rank image article_title name
portrait of olfert fischer royal dano-norwegian navy 18 february 1829 copenhagen , denmark copenhagen , denmark denmark 23px denmark -- norway french revolutionary wars 4 august 1747 reformed church , copenhagen vice admiral olfert fischer -lrb- 1747 -- 1829 -rrb- . jpg olfert fischer
 olfert fischer
olfert fischer

johan olfert fischer -lrb- 4 august 1747 -- 18 february 1829 -rrb- was a danish officer in the royal dano-norwegian navy .
he commanded the dano-norwegian fleet against british forces under lord nelson during the battle of copenhagen on 2 april 1801 .
