Verkkoon april 11, 2024, the national declassification center (ndc) released a listing of 38 declassification projects that consists of 4,077,991 pages that completed. Verkkothese documents, which describe secret writing techniques and are housed at the national archives, are believed to be the only remaining classified documents from. Verkkofive years ago, the cia declassified the us government’s six oldest classified documents, dating from 1917 and 1918. These documents, which describe secret. Verkkowhat declassified government documents reveal about america’s dark secrets. At the columbia history lab, matthew connelly ’90cc uses data science to uncover files long hidden from public view — telling a new story of postwar america. Verkkowashington — the wilson center today launched a new digital archive of declassified official documents from nearly 100 different archives in.