HODIE (Roman Calendar): ante diem octavum Kalendas Maias.
MYTHS and LEGENDS: The art image for today's legend shows Cupid and Psyche; 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: Incitas crabrones (English: You're stirring up hornets).
3-WORD MOTTOES: Today's 3-word verb-less motto is Ars gratia artis (English: Art for art's sake).
ANIMAL PROVERBS: Today's animal proverb is Vade ad formicam, o piger, et considera vias eius et disce sapientiam (English: Look to the ant, you lazy person, and ponder her ways and learn wisdom).
POLYDORUS: Today's proverb from Polydorus is: Ut pisces hamo, ita homines beneficio capiuntur (English: As fish with the hook, so are men captured by favors).
PROPER NAME PROVERBS: Today's proper name proverb from Erasmus is Ad Graecas calendas (English: On the Greek calends; from Adagia 1.5.84 ... which is to say: never; the Calends were Roman, not Greek).
GREEK PROVERBS: Today's proverb is Τὸν καπνὸν φεύγων, εἰς τὸ πῦρ ἔπεσον (English: Fleeing the smoke, I fell into the fire).
BREVISSIMA: The distich poster for today is Quales Principes, Tales Populi. Click here for a full-sized view. I'm sharing these with English translations at Google+ now too.
And here are today's proverbial LOLcats:
Sapiens ille plenus est gaudio.
The wise man is full of joy.
Necessitas dat ingenium.
Necessity bestows ingenuity.
MILLE FABULAE: The fable from the Mille Fabulae et Una widget is Divitiae et Simulacrum Sacrum, the story of an unexpected reward.
FABULAE FACILES: The fable from the Fabulae Faciles widget is Prometheus, Leo, et Elephantus, a story about Prometheus, the creator (this fable has a vocabulary list).
Words from Mythology. For more about AMBROSIA, the food of the gods, see this blog post.