The choice of the rainbow in the form of a flag harks back to the rainbow as a symbol of biblical promise. According to the Bible, God used the rainbow as a sign to Noah that there would never again be a worldwide flood, also known as the Rainbow covenant.
The choice of the rainbow in the form of a flag harks back to the rainbow as a symbol of biblical promise According to the Bible God used the rainbow as a sign to Noah that there would never again be a worldwide flood also known as the Rainbow covenant