Try logging in again. Facebook never deletes any of your information.
All of the friends you had will still be there.
They basically just mothball your account until you deactivate it. There is no “Delete” in his world.
Yes, I know that it all stays around. I "unfriended" everyone, "unliked" anything I'd tagged, deleted all pictures except for a few I'd posted in a public group of old friends, took everything off my profile, then told them to take a flying leap.
I know it all worked because I got a call from my air-head SIL about 3 days later because she couldn't "tag" me in a picture of her mugging at some bar so I'd see the picture and show it to the wife. This after I had asked her not to do it a few times and practically yelled at her not to post pictures of her kids (9 and 4) there.