My highlight in 2014 was when my younger boy learned how to walk !

Mein highlight im Jahr 2014 war wann mein junger sohn hat gehen gelernt.

Hmmm, I'm not sure if my German sentence is correct...

But I'm definitely sure about the highlight! :-)

"Mein Highlight im Jahr 2014 war, als mein kleiner Sohn das Gehen gelernt hat."
Not bed! :-)
I think it's a great highlight.
My highlight in 2014 was, when I got my new little brother Moritz! (correct?)