<sod>On 16 March 1792, Gustav III had returned to Stockholm, after spending the day at [[Haga Palace]] outside the city, to dine and visit a [[masquerade ball]] at the [[Royal Swedish Opera|Royal Opera]]. During dinner, he received an anonymous letter that contained a threat to his life, but as the king had received numerous threatening letters in the past, he chose to ignore the warning.{{sfnp|EB|1878}}<eod>
<sod>On 16 March 1792, Gustav III had returned to Stockholm, after spending the day at [[Haga Palace]] outside the city, to dine and visit a [[masquerade ball]] at the [[Royal Swedish Opera|Royal Opera]]. During dinner, he received an anonymous letter (written by the colonel of the [[Life Guards (Sweden)|Life guards]], Carl Pontus Lilliehorn) that contained a threat to his life, but as the king had received numerous threatening letters in the past, he chose to ignore the warning.{{sfnp|EB|1878}}<eod>