See also: Listing of Portuguese flags The flag of Portugal was officially adopted on 30 June 1911. The design is an oblong bi-colour (2:3 ratio) with a area vertically divided into two stripes of various widths—a eco-friendly stripe on the hoist, and a larger crimson stripe to the fly. A https://medieval-banners-and-flag42726.tinyblogging.com/indicators-on-medieval-anglo-saxon-flag-you-should-know-76731248