Coincidentally, also on May 31, the last survivor of the Titanic disaster died. (Millvina Dean, 2009.)
Believe it or don't item:
Millvina's brother Bertram, also a Titanic survivor, died at age 81 in 1992, on 15 April -- 80 years to the day that the Titanic struck the iceberg.
You can read her story here if you want.