The book gives particulars of the gathering, which was held in Qadian.

In response to his call, 225 Ahmadis gathered at Qadian on June 19, 1897, from distant parts of India. Meetings were held on June 20, and lectures were delivered in six languages, Urdu, Arabic, Persian, English, Punjabi and Pashto. The speakers included Hazrat Maulvi Hakim Nuruddin (ra), Maulvi ‘Abdul Karim (ra), Maulvi Burhanddin (ra) of Jhelum and Maulvi Jamaluddin. A congratulatory telegram was sent to Lord Elgin, the Viceroy of India, on June 20, 1897. Prayers were offered and the poor of the town were fed throughout June 20-22, and a feast was held on June 21. Streets, mosques and houses were illuminated on the evening of June 22. In short, this blessed gathering continued from June 20 to June 22, 1897, and it was organized with a joint contribution from the followers of the Jama‘at.

A beautifully bound copy of the Promised Messiah’s book Tuhfa-e-Qaisariyyah was sent to Queen Victoria through the Deputy Commissioner in celebration of the auspicious occasion. Copies of the book were also sent to the Viceroy and the Lieutenant Governor of Punjab. (Life of Ahmad by A.R. Dard (ra), edition of 2008, pp. 538-539).

(Taken from An Introduction to the hidden Treasures of Islam)