'Dramatic Channel Tunnel Breakthrough' #OnThisDay 1990: British and French workers smashed through the wall of chalk separating the two sides of the channel tunnel. #ChannelTunnel #breakthrough #handshake #nostalgia #history #throwback 🎥 Subscribe to our YouTube channel (tap the bell icon and stay up to date with all the latest On This Day videos!) - / onthisdayitnp 🎥 Follow us on Twitter - / onthisdayitnp 🎥 Like us on Facebook - / onthisdayitnp 🎥 Check out our TikTok - / onthisdayitnp