Lord Ramacandra’s victory over the demon Ravana. A large effigy of Ravana is ceremoniously burned.
In the pastimes of Sri Chaitanya Mahaprabhu he absorbed Himself in the transcendental lila of Lord Ramacandra in the following manner as recorded by Srila Krishna dasa Kaviraj Goswami.
Sri Chaitanya Charitamrita Madhya-lila Chapter 15 Texts 31-35.
parama-avese prabhu aila nija-ghara
ei-mata lila kare gauranga-sundara
In great ecstasy, Sri Caitanya Mahaprabhu returned to His residence. In this way, Sri Caitanya Mahaprabhu, known as Gauranga-sundara, performed various pastimes.
vanara-sainya kaila prabhu lana bhakta-gane
On the victory day celebrating the conquest of Lanka–a day known as Vijaya-dasami–Sri Caitanya Mahaprabhu dressed up all His devotees like monkey soldiers.
hanuman-avese prabhu vriksha-sakha lana
lanka-gade cadi’ phele gada bhangiya
Displaying the emotions of Hanuman, Sri Caitanya Mahaprabhu took up a large tree branch, and, mounting the walls of the Lanka fort, began to dismantle it.
‘kahanre ravna’ prabhu kahe krodhavese
jagan-mata hare papi, marimu savamse’
In the ecstasy of Hanuman, Sri Caitanya Mahaprabhu angrily said, “Where is the rascal Ravana? He has kidnapped the universal mother, Sita. Now I shall kill him and all his family.”
gosanira avesa dekhi’ loke camatkara
sarva-loka jaya’ jaya’ bale bara bara
Everyone became very astonished to see the emotional ecstasy of Sri Caitanya Mahaprabhu, and everyone began to chant, “All glories! All glories!” again and again.
Sri Rama Chandra Bhagavan ki Jaya, Sri Rama Vijayotsav ki Jaya, Sri Vijaya Dasami Mahotsav ki Jaya.