This is an addendum to the previous post, illustrating the Bloodbath Formula on the chart for the actual event. The Sun-Pluto aspect is weak, which may be why we didn't have other public multiple-murders on the same day (to my knowledge).
1. Pallas ruler Jupiter quincunx Pluto and trine South Node.
2. Neptune sextile Venus.
3. Venus trine Pluto.
4. Moon sesquiquadrate Pluto.
5. Sun (widely) semisquare Pluto.