ðɪ ˈɛfds, ɐ mˈɛmbɚbˈeɪst ˌɔːɹɡɐnəzˈeɪʃən, wʌz ɪŋkˈoːɹpɚɹˌeɪɾᵻd ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi fˈaɪv ænd bɪkˌeɪm ɐ ɹˈɛdʒɪstɚd tʃˈæɹᵻɾi ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti θɹˈiː.
The EFDSS, a member-based organisation, was incorporated in 1935 and became a registered charity in 1963.