The official flag of the Triangle! Flags featuring a Triangle-shaped logo were unveiled in ceremonies held simultaneously in Wake, Durham and Orange counties Wednesday morning.

That dual triangle design is known as a swallowtail ... Historians suggest that the flag’s unique shape may take its inspiration from Civil War-era battle flags that featured a “swallowtail” guidon ...

Why is the Ohio flag shaped the way it is? Eleanor Kennedy, Columbus Dispatch. Mon, July 7, 2025 at 10:02 AM UTC. 2 min read. ... That dual triangle design is known as a swallowtail, ...