![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/35/Trinity_Site_Obelisk_National_Historic_Landmark.jpg/300px-Trinity_Site_Obelisk_National_Historic_Landmark.jpg)
Credit: Samat Jain
Trinity Site obelisk.
The black plaque on top reads:
Trinity Site
Where The World's First Nuclear Device Was Exploded On July 16, 1945
Erected 1965 White Sands Missile Range J. Frederick Thorlin Major General U.S. Army Commanding
The gold plaque below it declares the site a National Historic Landmark, and reads:
Trinity Site has been designated a National Historical Landmark
This Site Possesses National Significance In Commemorating The History of the United States of America
1975 National Park Service United States Department of the Interior