Which location is recognized as the first Seventh-day Adventist Church?

The first recognized Seventh-day Adventist Church is in Washington, New Hampshire. This location is historically significant as it was here that a small group of believers, who were originally part of the Millerite movement, established the first formal congregation of what would become the Seventh-day Adventist Church in 1863. The church's roots in this area highlight the foundational beliefs and practices that emerged from the Millerite movement, particularly the emphasis on the Sabbath, which is central to Adventist doctrine.

This location serves as a reminder of the church's beginnings and showcases the early commitment of its members to their faith, ensuring that the principles of the movement were established in a formalized setting. Washington, New Hampshire, thus holds a critical place in the history of the Seventh-day Adventist Church.