Oklahoma City Bombing and Sarin Attack on Tokyo Subway
Japan's Conspiracy (3) P8
Both incidents were Japanese conspiracies.
Oklahoma City bombing occurred on April 19, 1955.
But the day was March 20 according to the traditional Japanese calendar.
In fact, the sarin gas attack on the Tokyo subway had occurred on March 20, 1995.
There was a variety of date puns on this incident.