Cricket is generally thought to have been developed in the early medieval period among the farming and metalworking communities of the Weald. The England cricket team is a composite England and Wales, team. One of the game's top rivalries is The Ashes series between England and Australia, contested since 1882. The climax of the 2005 Ashes was viewed by 7.4 million as it was available on terrestrial television. England has hosted five Cricket World Cups (1975, 1979, 1983, 1999 and 2019), winning the 2019 edition in a final regarded as one of the greatest one day internationals ever played. They hosted the ICC World Twenty20 in 2009, winning this format in 2010 beating rivals Australia in the final. In the domestic competition, the County Championship, Yorkshire are by far the most successful club having won the competition 32 times outright and sharing it on 1 other occasion. Lord's Cricket Ground situated in London is sometimes referred to as the "Mecca of Cricket".