The Lord's Day Alliance (formerly known as the American Sabbath Union) is an ecumenical Christian first-day Sabbatarian organization.
[1] Based in the United States and Canada, the organization was founded in 1888 by mainstream Christian denominations.
[2] These Churches worked together to found the Lord's Day Alliance in order to effect change in the public sphere, specially with respect to "lobbying for the passage of Sunday-rest laws.
[3] Erwin Fahlbusch and Geoffrey William Bromiley write that throughout its existence, the Lord's Day Alliance, supported by labor unions, has lobbied "to prevent secular and commercial interests from hampering freedom of worship and from exploiting workers.
[7] The Board of Managers of the Lord's Day Alliance is composed of clergy and laity from Christian churches, including Baptist, Catholic, Episcopalian, Friends, Lutheran, Methodist, Non-Denominationalist, Orthodox, Presbyterian and Reformed traditions.