The corporation now known as the Watch Tower Bible and Tract Society of Pennsylvania was chartered in 1884 as Zion’s Watch Tower Tract Society. Its purpose was to spread abroad Bible truth, especially by means of the printed page.
Nhà xuất bản tạp chí này, nay có tên là hội Watch Tower Bible and Tract Society of Pennsylvania, được thành lập từ năm 1884 với tên gọi là hội Zion’s Watch Tower Tract Society.