Rainbow flag in his hand. In the German Peasants' War of the 16th century, the rainbow flag together with the peasants' boot ("Bundschuh") was used as the sign of a new era, of hope and of social change. The choice of the rainbow in the form of a flag harkens back to the rainbow as a symbol of biblical promise. According to the Bible, God first created the rainbow as a sign to Noah that there would never again be a worldwide flood, also known as the Rainbow covenant. The South African flag is sometimes referred to as the "Rainbow flag". Rainbow
Noah in Islam yet, Qur'an doesn't say it came to cover whole Earth) and He ordered Noah to build a ship ("Safina") which would save him and the believers from this dreadful calamity. Ever obedient to God's instructions, Noah went out in search of material with which to build the vessel. When Noah began building the Ark, the people who saw him at work laughed at him even more than before. Their conclusion was that he was surely a madman – they could not find any other reason why a man would build a huge vessel when no sea or river was nearby.