HODIE (Roman Calendar): ante diem quintum decimum Kalendas Martias.
MYTHS and LEGENDS: The art image for today's legend shows Leda and the Swan; you can also see the legends for the current week listed together here.
TODAY'S MOTTOES and PROVERBS:
TINY PROVERBS: Today's tiny proverb is: Finem respice (English: Consider the end).
3-WORD MOTTOES: Today's 3-word verb-less motto is Sibimet merces industria (English: Effort is its own reward).
ANIMAL PROVERBS: Today's animal proverb is Qui vult caedere canem, facile invenit fustem (English: He who wants to beat a dog easily finds a stick).
POLYDORUS: Today's proverb from Polydorus is: Obsequium amicos, veritas odium parit (English: Fawning begets friends, but truth begets hatred).
PROPER NAME PROVERBS: Today's proper name proverb from Erasmus is Tantali poenae (English: The punishments of Tantalus; from Adagia 2.6.14; for more about Tantalus, see below).
GREEK PROVERBS: Today's proverb is Λύπης πάσης γίνετ' ἰατρὸς χρόνος (English: Time is the doctor of every grief).
BREVISSIMA: The distich poster for today is Currus Mentis. Click here for a full-sized view. I've decided to start putting some English translations of the distichs at Google+.
And here are today's proverbial LOLcats:
Fac hodie: fugit haec non reditura dies.
Do it today: this day runs away, not to return.
Dives cui satis unus ager.
Rich is he for whom one field is enough.
FABULAE FACILES: The fable from the Fabulae Faciles widget is Porcellus et Testamentum, a funny story about a pig's short-lived grief (this fable has a vocabulary list).
MILLE FABULAE: The fable from the Mille Fabulae et Una widget is Leo et Pastor, the famous story of Androcles and the lion.