July 6 – The Kilmarnock and Troon Railway becomes the first public railway line to open in Scotland. It begins life as a 9.5-mile (16-kilometre), double track 4 ft (1,219 mm) gauge, horse-drawn waggonway to carry coal from KilmarnocktoTroon harbour; the engineer was William Jessop.[1] On 27 June the horse-drawn passenger coach Caledonia began running over the line between Troon and Gargieston, near Kilmarnock.[2]