One Day Event Insurance is a special event insurance company that sells event liability insurance for all types of events such as weddings, birthdays, vendors, concerts, barmitzvahs, and festivals. One Day Event compares all the top rated carriers so you get the best insurance policy for your event. One Day event provides free online quotes instantly, and provides a Certificate of Insurance upon purchase. One Day Event has been around since 1990 and is located in the heart of the Silicon Valley,