Don't put too much store in this coloured flag story: there is no contemporary evidence for it, and it depends on a strict division of all plays into three categories which simply didn't happen.
The story is that when they flew a red flag it meant they were playing a history. But you'd be wise not to believe it.
A flag flew over the theatre on play days to advertise performances. If a tragedy was scheduled, the flag was black; if a comedy was scheduled, the flag was white; if a history play was scheduled, the flag was red.
red flags
The Red Lion built by John Brayne was the first official theatre, but the first succsesfull one was the "Theatre" built by James Burbage
The Globe. Theatre, built in 1599. The others: the Theatre, the Curtain, the Rose, Newington Butts, the Fortune, the Red Bull, the Blackfriars, the Cockpit, the Whitefriars, the Hope, the Swan, none of them start with the letter G.
John Brayne built the Red Lion, the first building in Elizabethan London to be built for the performance of plays in 1567. It proved unsuccessful, but The Theatre which Brayne built with actor-manager James Burbage was a success.
A black flag flying over the Globe theatre represented that a trajedy play would occur that day. A white flag means a comedy and a red flag means a history.
It depends. Which flag? If it was the US flag then red represents hardiness & valour
The red and white stripes represent the original 13 colonies.
the blood that we shed
blood, the color red on the saskatchewan flag means blood
It used to be orange. But red looked better on the flag ships so they changed it to red.
red and white
China's Flag, or the flag of China, is a mainly red flag with 5 golden stars embellished upon it. The red is to symbolise the Revolution, and the Stars are to represent the leadership change during this time.
Red White and Blue represent freedom.
red: braveryyellow: generosity
The St George Cross
Communism, the blood of the revolution.