>First time a starter changes type mid evolution
>First time a starter has a stat decrease
>First game without national dex
>First game not to have a champion before you
>MCs without an official name (not counting Mizuki being used after a year of the game release)
>Rival uses starter weak to yours
>Major story character that isn't a trainer
>First female villain boss
>First time a group of legendaries consists of more than 3 Pokemon
>No HMs
Off the top of my head.
