def _bios_date():
"""Generate a random date for system's BIOS between
today and 10 years ago.
:return: A random `datetime.date` that falls within the last 10 years
from today.
:rtype: object
"""
# Today is...
today = datetime.date.today()
# and 10 years ago (~365 days * 10 years) is
ten_years_ago = today - datetime.timedelta(3650)
return FauxFactory.generate_date(ten_years_ago, today)
