Home Why 04 Dec is Navy Day? Why 04 Dec is Navy Day? By -Analyst 8:28:00 PM 0 4 December was chosen as Navy Day as on that day in 1971, during Operation Trident, the Indian Navy *sank four Pakistani vessels* including PNS Khaibar, killing hundreds of Pakistani Navy personnel. Jai Hind 🇮🇳 Facebook Twitter Whatsapp Newer Older