How long has the royal mail been around

The Royal Mail, also known as the General Post Office (GPO), has a rich history that dates back to the 16th century. Here's a brief overview:

Today, the Royal Mail is one of the largest postal services in the world, with a network of over 14,000 post offices and a fleet of over 10,000 delivery vehicles. It employs over 120,000 people and handles over 12 billion items of mail every year.