Bushmills 1608 Anniversary Edition was released in 2008 to celebrate Bushmills’ 400th anniversary. It was on April 20, 1608, that King James I granted the Governor of Co Antrim a license to distil in the area. What makes this release even more interesting is the use of crystal malt in the grain bill.Bushmills 1608 Anniversary Edition was released in 2008 to celebrate Bushmills’ 400th anniversary. It was on April 20, 1608, that King James I granted the Governor of Co Antrim a license to distil in the area. What makes this release even more interesting is the use of crystal malt in the grain bill.