Vlad's father was the leader of the group that wanted vlad to slave vampires and such. He and Vikas killed vlad's mom and Tomas (vlads dad) killed Nelly too. Snow turns into a vampire and Henry ends up with october and joss is still with meredith. Vlad stays with snow and she was staked and in order to save her, vlad had to give her some of his blood, so she's sorta special. and like vlad's eyes turn purple, snows turns green.
Yes, the killing of the Jews happened towards the end of his life.
He ran away after performing the killing curse on dumbledore.
Killing Day happened in 360.
A Small Killing happened in 1991.
either batman killed joker by snapping his neck, or they both laughed historically at the joke joker made.
The Killing Tree ended in 2004.
Human Killing Machine happened in 1989.
Peshkëpi killing happened on 1994-04-10.
Under a Killing Moon happened in 1994.
The Killing Game Show happened in 1990.
The plot of wiki doesn't say what happened at the end, it just says they banded together to figure out who or what was killing everyone.
The Killing Tree ended in 2004.