September 11

“A most wonderful and thrilling motion will appear in the world of existence,” are ‘Abdu’l-Bahá’s own words, predicting the release of spiritual forces that must accompany the completion of this most hallowed House of Worship [Baha’i Temple in Chicago]. “From that point of light,” He, further glorifying that edifice, has written, “the spirit of teaching ... will permeate to all parts of the world.” And again: “Out of this Mashriqu’l-Adhkár, without doubt, thousands of Mashriqu’l-Adhkárs will be born.” “It marks the inception of the Kingdom of God on earth.” 
(Shoghi Effendi, from a letter dated April 11, 1949; ‘Citadel of Faith’)