It can be finding random items of value, somehow killing that bear or even getting a female cow on your first go.
Whatever it is, please take the time to post it so we all can have a good read.
In the first world about 2 weeks before the reset, I managed to find a chest full of lots of leather pieces which I made into leather armour and whatnot. Keep in mind there were like, barely any trees outside claims so getting leather was close to impossible for me. Yeah, that's what I believe to be my luckiest experience.
EDIT: Okay, you can post your bad luck experiences if you want to.
EDIT 2: Due to rollback, I now have 16 silkmoth eggs instead of 8.