I can't find the creation date in the properties. Is there a way to know? I tried arranging the files by modification as to know which were created first but I don't know if it is in ascending or descending order.
I don't think creation date is stored. There is a modification date associated with any file, which you can see by running
EDIT: Here's a more precise answer: http://stackoverflow.com/questions/14842195/how-to-get-file-creation-date-time-in-bash-debian. Seems like you can see creation date, using debugfs. But only for ext4 fs.