'Abdu'l-Baha visited North America from 11 April through 5
December 1912.On 1 May 1912 He laid the
cornerstone of the House of Worship in Wilmette, Illinois.
(Source: footnote to a message from the
Universal House of Justice to the friends gathered at the Baha'i International
Conference in Montreal, 5 September 1982; Messages from the Universal House of
Justice 1963-1986)
