In 1792 Jakob Johan Anckarstrom assassinated the III Swedish king of this name at a masquerade ball
... On 16 March 1792 Anckarstrm shot King Gustav III at a masquerade 
at the... [DOC] [TLE] Jacob Johan Anckarstrm 1762-1792 (Jacob Johan Anckarstrom) [PAR] Captain Jacob Johan Anckarstrm was a Swedish soldier and the assassin of 
Swedish King Gustav III.