The first time I played* Traveller, I found myself blown away by the detailed character creation, featuring year by year (4 year chunks actually) break down of how your character got where they are today. Finally you see how to tie major life events together, with a mechanical reward for this on the side for good measure. It was honestly the most fun I'd had creating a character and group.
I'd love to bring this experience to other games I play, because now just rolling some die, and assigning points feels flat and lifeless.
What general techniques can I use to add this sort of mechanic/technique to other systems, such as (but limited to) NWoD, D&D, Exalted.... etc? Is there any particular format this takes, and can it be compatible with all systems?