Kent coastline of Kent is continuously changing, due to tectonic uplift and coastal erosion. Until about 960, the Isle of Thanet was an island, separated by the Wantsum channel, formed around a deposit of chalk; over time, the channels silted up with alluvium. Similarly Romney Marsh and Dungeness have been formed by accumulation of alluvium. Kent's principal river, the River Medway, rises near East Grinstead in Sussex and flows eastwards to Maidstone. Here it turns north and breaks through the North Downs at Rochester, then joins the estuary of the River Thames as its final tributary near Sheerness. The Medway is
Maidstone United F.C. first time in their history. Maidstone played a goalless draw away to Stevenage of League Two and in the replay at home in front of a capacity crowd went through to the second round proper, winning 2–1. In the second round Maidstone lost 3–1 at Wrexham of the Conference Premier. Maidstone United went on to win the Isthmian Premier title following a season-long battle with Margate, then Dulwich Hamlet and finally Hendon. The title was effectively won at Champion Hill, home of Dulwich Hamlet, on 18 April 2015 with Maidstone United drawing 0–0 and Hendon drawing 0–0 away at Grays