Wilma Mankiller came to my college, and I thought I would get to meet her, but no luck, and she died not long after that. Anyway, her family name was Mankiller, but we shouldn’t take that in either the romantic or literal sense — if I recall correctly from a paper I wrote about her, the Cherokee more closely translates to something like a military rank.
Groundhog day IS about something. It’s midway between winter solstice and spring equinox. Look up Imbolc.