Nemoralia. The Nemoralia is a three-day festival originally celebrated by the ancient Romans on the Ides of August in honor of the goddess Diana.
Although the Nemoralia was originally celebrated at the Sanctuary of Diana at Lake Nemi, it soon became more widely celebrated. The Catholic Church may have adapted the Nemoralia as the Feast of the Assumption.
A festival to Diana was held yearly at her Shrine at Lake Nemi near Ariccia on the Ides of August, a date which coincides with the traditional founding date celebrated at Aricia. The origins of the festival probably pre-date the spread of Diana's worship to Rome in the 3rd century BCE, and may extend to the 6th century BCE or earlier.
Records from the 1st century BCE describe worshipers traveling to the sanctuary carrying torches and garlands. Diana's festival eventually became widely celebrated throughout Italy, including at the Temple of Diana on the Aventine Hill in Rome, which was unusual given the provincial nature of Diana's cult.
The 1st century CE poet Statius wrote of the festival: It is the season when the most scorching region of the heavens takes over the land and the keen dog-star Sirius, so often struck by Hyperion's sun, burns the gasping fields. Now is the day when Trivia's Arician grove, convenient for fugitive kings, grows smoky, and the lake, having guilty knowledge of Hippolytus, glitters with the reflection of a multi