DYK: The phrase Katy bar the door dates back to the 13th century

The phrase KATY BAR THE DOOR – dates back to 1437.katie-bar-the-door-murray-bloom

A lady by the name of Catherine Douglas was attempting to save Scottish King James I when he was under attack. The story goes that the room the king was hiding in had a door without a bar. Catherine tried to bar the door with her arm. Her arm was broken and the king was killed