Let us begin with the three part name, Sirhan Bishara Sirhan.
Robert Kennedy died on June 6, or 6/6, like 66.
Notice the stabbing happened at 2:21 PM local.
This news came on Sirhan Sirhan's 165th day of his age.
August 30, 2019 had 57 date numerology.
8/30/19 = 8+30+19 = 57
Notice Sirhan Sirhan sums to 78 like Scottish Rite as well.
This news came 86-days after the June 5 shooting anniversary date, and a span of 86-days from the anniversary of the death of RFK. Blood Sacrifice = 86
August 30 leaves 123-days left in the year.