On 21 March 1844, the Sublime Porte of the Ottoman Empire submitted a note to the British and French embassies promising to cease the executions of apostates from Islam.
The Sublime Porte engage to take effectual measures to prevent henceforward the execution and putting to death of the Christian who is an apostate.
The 2300 days are understood to represent 2300 years stretching from 457 BC, the calculated starting date of the 70 weeks prophecy based on the 3rd decree found in Ezra, thus leading to 1843/4.
Bickersteth acknowledged the same interpretation and added a second - Ezekiel 4:5 - as a parallel to start the clock for understanding Revelation 9:15; taking 390 years as a period for persecution of Christians in the End time.
[14] Thornton Chase, commonly recognized as the first convert to the Baháʼí Faith of Occidental background, noted the Edict in his publication The Bahai Revelation published in 1909.