After Kennedy died there became a clear way to determine presidential succession. This became the 25th Amendment to the Constitution.
I'm pretty sure it was 25th
Dead Kennedys was created in 1978.
The Assassination Of... was created in 2006-05.
Assassination in Rome was created in 1965.
The Assassination of Trotsky was created in 1972.
Assassination of Russia was created in 2002.
Assassination Vacation was created in 2005.
Assassination Tango was created in 2002.
Instrumental Assassination was created in 1966-12.
Assassination Games was created on 2011-07-29.
Assassination in Davos was created on 1976-01-21.
The Assassination Bureau was created on 1969-03-10.