The Aventine Triad composed Liber, Libera, and this deity.
People ran out in white, carrying torches during a seven-day festival named for this deity held in April. Supposedly, a mundus, a kind of pit designed to provide access to underworld spirits, was dedicated to this deity by Romulus during the foundation of Rome. The Curra Annonae involved the distribution of the frumentio from a temple of this deity. The Aventine Triad composed Liber, Libera, and this deity. On the Ara Pacis and many Roman coins, emperors and empresses don an item worn by this deity, the (*) corona spicea. A child of this goddess was ambushed on the field of Enna by Dis Pater. After the Second Punic War, an official cult based around this Roman deity was introduced and modeled on the analogous Greek Eleusinian Mysteries. Proserpina is the daughter of -- for 10 points -- what Roman goddess of agriculture?
People ran out in white, carrying torches during a seven-day festival named for this deity held in April.
Ceres [do not accept or prompt on "Demeter"]