Two churches, a school, and a good number of houses marked the community on topographic maps in the mid-1970s.
The church marks the spot where the first mass was held on mainland America.
The Protestant church, first mentioned in 1379, marks the third point.
The church marks the spot where the old hospice stood, and it contains many remnants that tell of the area's rich history.
In June 2007, the church marked the induction of its one millionth missionary since 1830.
Ms. Blackburn said that sentiment was widely felt as the church marked its 150th anniversary last year.
Orthodox churches mark the baptism of Jesus on this day.
The church marked its 100th anniversary on April 12, 2000.
The church, located at 4711 Westside Drive, will mark its 150th anniversary in 2013.
A church and several houses marked the community's location on topographic maps of the area in the 1980s.