History of The Flag of Yemen
The current flag of Yemen was officially adopted on May 22, 1990, the day the North and South Yemen were unified. Before unification, North Yemen and South Yemen had flags with similar colors but different designs. North Yemen's flag, used from 1962, was similar to the current flag but featured a green star in the center. South Yemen, on the other hand, had a flag that included a blue triangle with a red star, alongside the horizontal stripes, from 1967 until unification in 1990. The choice of a single unified flag without any symbols was intended to represent the unity and equal partnership between the former North and South Yemen.