INCIDENT: October 4, 1967, approximately 11:20pm, Shag Harbour, Nova Scotia, Canada. At least 11 witnesses observed a low-flying object approximately 60 feet long displaying flashing orange lights. The object tilted at a 45-degree angle and plunged into the harbour water. Sound description: whistling “like a bomb,” followed by a “whoosh,” then a loud bang. Authorities arriving on scene observed a pale yellow light bobbing on the water’s surface before it sank from view. PHYSICAL EVIDENCE: A yellow foam approximately 80 feet wide and half a mile long was found floating on the surface — consistent with a large craft entering the water at speed. No wreckage, no debris, no conventional explanation. GOVERNMENT RESPONSE: The Royal Canadian Mounted Police (RCMP) and Canadian Maritime Command investigated. The Canadian Maritime Command dispatched divers who searched the harbour for THREE DAYS. Official government documents concerning the incident explicitly used the term “UFO” — making Shag Harbour one of the only cases where a government officially acknowledged a UFO incident in its own documentation. SIGNIFICANCE: Unlike Roswell, where the US government later issued cover stories, Canadian government documents on Shag Harbour retained the UFO classification without retraction. Three days of military diving operations for an unknown object in shallow coastal waters is a substantial government resource commitment. No conventional explanation has ever been established. Often called “Canada’s Roswell” or “the Canadian Roswell.” TRANSMEDIUM CROSS-REFERENCE: Shag Harbour is one of the earliest documented transmedium events — an aerial object intentionally entering water, consistent with the USS Omaha 2019 spherical object (“It splashed!”) and the Catalina Channel 300Hz acoustic signals targeted by UFODNA [OP-2608] August 2026. The transmedium phenomenon — craft operating across air-water-space interfaces — is documented from 1967 to the present. Source: Hangar1Publishing / Canadian government records / Maritime Command