Gardnerian Wicca 1939. For this reason, Gardnerian Wicca is usually considered to be the earliest created tradition of Wicca, from which most subsequent Wiccan traditions are derived. From the supposed New Forest coven, Gardner formed his own Bricket Wood coven, and in turn initiated many Witches, including a series of High Priestesses, founding further covens and continuing the initiation of more Wiccans into the tradition. In the UK, Europe and most Commonwealth countries someone self-defined as Wiccan is usually understood to be claiming initiatory descent from Gardner, either through Gardnerian Wicca, or through a derived branch such as Alexandrian Wicca or Algard
Wicca oral teachings passed along to their initiates. There are many variations on the core structure, and the religion grows and evolves over time. It is divided into a number of diverse lineages, sects and denominations, referred to as "traditions", each with its own organisational structure and level of centralisation. Due to its decentralized nature, there is some disagreement over what actually constitutes Wicca. Some traditions, collectively referred to as British Traditional Wicca, strictly follow the initiatory lineage of Gardner and consider the term "Wicca" to apply only to similar traditions, but not to newer, eclectic traditions. Wicca is typically duotheistic,