911s

911s commonly refer to the emergency telephone number 911 used in the United States, Canada, and several other jurisdictions for police, fire, and medical emergencies. The system was established in the United States in 1968 as a single nationwide number to simplify access to emergency services. Calls can be placed from landlines and mobile phones, with local dispatch centers coordinating a response. Enhanced 911 (E911) technologies provide responders with the caller’s location and phone number. Some regions support texting 911 or provide access to services through Voice over IP and wireless networks, though availability varies by country and network. The 911 system is operated by public safety answering points and linked to emergency service providers through regional systems.

911s also denote the Porsche 911, a long-running line of two-door sports cars produced by German manufacturer Porsche. Debuted in 1964 at the Frankfurt Motor Show, the 911 was intended as a successor to the Porsche 356 and adopted a distinctive rear-engined, rear-wheel-drive layout. Its original designation was 901, but Porsche changed it to 911 after objections about the numeric code. The model line has evolved through many generations, with variants including Carrera, Carrera S, Turbo, GT3, GT2, and Targa. Early cars were air-cooled; starting in the late 1990s, engines became water-cooled. The 911 has a prominent place in road and motorsport history, noted for continuous development, strong performance, and distinctive styling. Modern 911s incorporate advanced electronics, lightweight materials, and driver-assistance features while maintaining the model’s characteristic driving experience.