“The Tablets of the Divine Plan invest your Assembly with unique and grave responsibilities…”

The American believers, if they wish to carry out, in the spirit and the letter, the parting wishes of their beloved Master, must intensify their teaching work a thousandfold and extend its ramifications beyond the confines of their native land and as far as the most distant outposts of their far-flung Faith. The Tablets of the Divine Plan invest your Assembly with unique and grave responsibilities, and confer upon it privileges which your sister Assemblies might well envy and admire. The present opportunity is unutterably precious. It may not recur again. Undaunted by the perils and the uncertainties of the present hour, the American believers must press on and prosecute in its entirety the task which now confronts them. I pray for their success from the depths of my heart. 
- Shoghi Effendi  (From a letter dated July 28, 1936; ‘Messages to America’)

September 1916: Five of the Fourteen Tablets of the Divine Plan were first published in the Star of the West magazine

Fourteen Tablets revealed by 'Abdu'l-Baha during the First World War, addressed to the Baha'is in North America and received by them in 1919, which Shoghi Effendi has called the 'mandate' and 'the supreme charter for teaching'. They are addressed either to the Baha'is of the United States and Canada as one body or to one of five regional areas of North America.

The 'mandate' was to carry the 'fame of the Cause of God' to the East and to the West and to spread the Glad Tidings of the coming of Baha'u'llah throughout the five continents of the world. In all, 'Abdu'l-Baha mentioned some 120 territories and islands to which the message of Baha'u'llah was to be carried.

The first eight Tablets were revealed between 26 March and 22 April 1916, and the final six between 2 February and 8 March 1917. Of the first group, five Tablets reached America and were published in the 8 September 1916 issue of Star of the West. After that, communication with the Holy Land was cut off and the rest of the Tablets remained in the vault under the Shrine of the Báb until the end of the war. They were dispatched to America and unveiled in a ceremony during the 'Convention of the Covenant' held at the Hotel McAlpin in New York in April 1919.

An immediate response to the Tablets was made by Martha Root who began her world travels, and by Mr. and Mrs. Hyde Dunn, who arose to move to Australia. However, it was not until 1837 when Shoghi Effendi gave the American believers the First Seven Year Plan that the Divine Plan began to be generally implemented. 
- Wendi Momen  ('A Basic Baha’i Dictionary')

The Unveiling of the Tablets of Divine Plan, New York, April 1919

The Tablets were dispatched to America and unveiled in a ceremony during the ‘Convention of the Covenant’ held at the Hotel McAlpin in New York in April 1919. Mary Maxwell (seated, center) and Elizabeth Coristine (seated, right), unveiled the Tablets addressed to Canada. Seated to the left of Mary is Bahiyyih Randall.

Tablet to the Bahá’ís of the Central States

Revealed on March 29, 1916, outside the house in Bahjí, and addressed to the Bahá’ís of twelve Central States of the United States: Michigan, Wisconsin, Illinois, Indiana, Ohio, Minnesota, Iowa, Missouri, North Dakota, South Dakota, Nebraska and Kansas.

O ye heavenly souls, O ye spiritual assemblies, O ye lordly meetings:

For some time past correspondence has been delayed, and this has been on account of the difficulty of mailing and receiving letters. But because at present a number of facilities are obtainable, therefore, I am engaged in writing you this brief epistle so that my heart and soul may obtain joy and fragrance through the remembrance of the friends. Continually this wanderer supplicates and entreats at the threshold of His Holiness the One and begs assistance, bounty and heavenly confirmations in behalf of the believers. You are always in my thoughts. You are not nor shall you ever be forgotten. I hope by the favor of His Holiness the Almighty that day by day you may add to your faith, assurance, firmness and steadfastness, and become instruments for the promotion of the holy fragrances.

Although in the states of Illinois, Wisconsin, Ohio, Michigan and Minnesota—praise be to God—believers are found who are associating with each other in the utmost firmness and steadfastness—day and night they have no other intention save steadfastness—day and night they have no other intention save the diffusion of the fragrances of God, they have no other hope except the promotion of the heavenly teachings, like the candles they are burning with the light of the love of God, and like thankful birds are singing songs, spirit-imparting, joy-creating, in the rose garden of the knowledge of God—yet in the states of Indiana, Iowa, Missouri, North Dakota, South Dakota, Nebraska and Kansas few of the believers exist. So far the summons of the Kingdom of God and the proclamation of the oneness of the world of humanity has not been made in these states systematically and enthusiastically. Blessed souls and detached teachers have not traveled through these parts repeatedly; therefore these states are still in a state of heedlessness. Through the efforts of the friends of God souls must be likewise enkindled in these states, with the fire of the love of God and attracted to the Kingdom of God, so that section may also become illumined and the soul imparting breeze of the rose garden of the Kingdom may perfume the nostrils of the inhabitants. Therefore, if it is possible, send to those parts teachers who are severed from all else save God, sanctified and pure. If these teachers be in the utmost state of attraction, in a short time great results will be forthcoming. The sons and daughters of the kingdom are like unto the real farmers. Through whichever state or country they pass they display self-sacrifice and sow divine seeds. From that seed harvests are produced. On this subject it is revealed in the glorious Gospel: When the pure seeds are scattered in the good ground heavenly blessing and benediction is obtained.1 I hope that you may become assisted and confirmed, and never lose courage in the promotion of the divine teachings. Day by day may you add to your effort, exertion, and magnanimity.

Upon you be greeting and praise!
‘Abdu’l-Baha (Tablets of the Divine Plan’)