In 1746, tartan kilts were outlawed in Scotland. That ban would help the garment become world-famous.

"... Because the kilt was widely used as a battle uniform, the garment soon acquired a new function—as a symbol of Scottish dissent. So shortly after the Jacobites lost their nearly 60-year-long rebellion at the decisive Battle of Culloden in 1746, England instituted an act that made tartan and kilts illegal.

...

In 1746, tartan kilts were outlawed in Scotland. That ban would help the garment become world-famous.

"... Because the kilt was widely used as a battle uniform, the garment soon acquired a new function—as a symbol of Scottish dissent. So shortly after the Jacobites lost their nearly 60-year-long rebellion at the decisive Battle of Culloden in 1746, England instituted an act that made tartan and kilts illegal.

...