(1st November Only) Subway World Sandwich Day : Buy One Get One Free. Posted on November 1, 2019 by OFFER OF WORLD Subway World Sandwich Day. Continue reading → Share this:Click to share on WhatsApp (Opens in new window)Click to share on Telegram (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)