What three-legged symbol features on the center of the Isle of Man's national flag?
Although the island is well known for its Manx Flag, this image of three running legs on a red background has only been officially used since 1931, replacing the Union Jack. As a local flag, it dates back to the 14th century. The origin of the triskelion itself is less clear, but seems to have roots in the 13th century, and is similar to the symbol on the Sicilian flag called the trinacria. Source: Isle of Man.com, Britannica.com, Best of Sicily