The National Institute of Justice has been promoting the preservation of data since 1978.
Data Archiving Plans for NIJ Funding Applicants
National Endowment for the Humanities, Office of Digital Humanities initiated a requirement for data management plans and the sharing of data by researchers in 2011.
Office of Digital Humanities
Data Management Plans for NEH Office of Digital Humanities Proposals and Awards
National Institutes of Health had initiated its requirement for sharing data and publications in 2003.
National Science Foundation had initiated its requirement for data management plans in 2011.