In 1792 Jakob Johan Anckarstrom assassinated the III Swedish king of this name at a masquerade ball
... A conspiracy of 
Swedish nobles surrounded the royal victim at a masquerade ball on ... the 
Anckarstrom assassination was great performance art material in the... [DOC] [TLE] HISTORY | Stensture [PAR] Jacob Johan Anckarstrm, born 11 may 1762 at Lindos farm, Vallentuna, ... After 
the assassination, changed the family name to Lwenstrm and sold the western 
... the estate to create "Lwenstrmska" hospital, as a reconciliation gift to 
Sweden.