We have more than we know.
How many months is it from george h w Bush birth to September 2001?
Why is that number relevant?
george h w bush born in month 282 of the century to September 2001 is 927 months.
927 days -365 -365 = Day 197 of the year.
Day 197 of the year is 7/16, JFKJR disappeared.
JFK born in month 197 of the century.
11/22 JFK murdered to 6/6 RFK murdered touches 197 day.