What is the origin of roll out the red carpet?

The phrase "roll out the red carpet" originates from the ancient practice of laying down a red carpet to signify the arrival of royalty or distinguished guests. This tradition dates back to at least ancient Greece and has been used in various cultures to convey honor and respect. The color red symbolizes luxury and importance, making it a fitting choice for welcoming esteemed individuals. Over time, it has evolved into a metaphor for providing special treatment or hospitality.