There was a coup in 1980. And the list at https://en.m.wikipedia.org/wiki/Turkish_coup_d%27%C3%A9tat https://en.m.wikipedia.org/wiki/Turkish_coup_d%27%C3%A9tat

There was a coup in 1980. And the list at https://en.m.wikipedia.org/wiki/Turkish_coup_d%27%C3%A9tat https://en.m.wikipedia.org/wiki/Turkish_coup_d%27%C3%A9tat is pretty convincing evidence that calling Turkey a stable democracy would be a stretch.