Unlike sites with an ongoing everyday use, the Fannin Memorial Monument exists purely as a commemorative gravesite marking the mass execution of Colonel James W. Fannin's men during the Goliad Massacre on March 27, 1836. In the massacre's aftermath, the bodies of the executed Texian prisoners were left unburied near Presidio La Bahia. Roughly two months later, General Thomas J. Rusk led Texan troops to the site, gathered the remains, and conducted a formal military funeral and burial with full honors on June 3, 1836, establishing the mass grave that the monument now marks. The permanent monument was constructed in 1938, listed on the National Register of Historic Places, and a Texas Historical Commission marker was later added in 1968 to interpret the event for visitors. The site's sole function today is memorial and commemorative: it stands as a solemn burial ground and gathering place bearing inscriptions honoring Fannin and his men, tied to the rallying cries Remember Goliad and Remember the Alamo that helped galvanize the Texas independence movement. As part of the Goliad State Park Historic District, the monument and grave draw heritage tourists and history-minded visitors alongside the nearby restored Presidio La Bahia, and it recently transitioned from Goliad County to state ownership under the Texas Historical Commission, ensuring its continued preservation as a memorial to the massacre's victims rather than as a site of any prior everyday or agricultural use.