The Scottish Saltire, also known as the Saint Andrew's Cross, is the national flag of Scotland. It features a white diagonal cross on a blue background, symbolizing the crucifixion of Saint Andrew, the patron saint of Scotland. The design is simple yet striking, representing Scotland's rich history and cultural identity. The Saltire is one of the oldest flags in the world, with its origins dating back to the 9th century. It is often displayed during national celebrations, such as St. Andrew's Day, and at sporting events, showcasing Scottish pride and unity.