Events in Dardevil Season Two:
Punisher's one man war on Crime
-Search for Grotto
-Ambush on Grotto
-Capturing of Daredevil
-Takedown of the Dogs of Hell
-Rescue of Frank Castle
-Frank Castle's trial

Dardevil and Elektra
-Fight at the trainyard
-Ambush in Elektra's apartment
-War against The Hand

The cliffnotes versions of course. I know I might have left something out, might have to rewatch the season again but these are the things that need to be added to the 2015 timeline article.