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Oskar Ernst Bernhardt (Abd-ru-shin) publishes In the Light of Truth: The Grail Message.
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The Nazi regime bans the movement; Abd-ru-shin is arrested.
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Abd-ru-shin dies under house arrest
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Period: to
The movement reorganizes and expands globally.
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Period: to
Independent divisions of the Grail group are made
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Period: to
The movement remains active worldwide, with Vomperberg as a spiritual center.