Like iOS, OS X has its own Notifications Center to keep you abreast of all the stuff going on in your world, from calendar events to reminders.
Unlike iOS, OS X El Capitan defaults to a date sorting system that groups all your Notifications together by the date they were triggered. That’s super handy if you’re searching for a notification you got today, but don’t remember what app it came from. If, however, you want to sort by the app the notification is coming from, or–better yet–sort by date and app, you’re in luck.
Here’s how to choose a different option.

