The proposal set in motion the largest federal reorganization since World War II and created the institutional framework for coordinating national homeland security policy and operations.
References / Sources
No source references have been added for this event yet.
Related Timeline Entries
April 26, 2026
•
Donald Trump
Executive Action
Office of Legal Counsel issues formal opinion backing legality of deportation-priorities order
The Justice Department's Office of Legal Counsel released a written opinion concluding the administration's deportation-priorities order falls within executive authority over immigration enforcement.
April 20, 2026
•
Donald Trump
Executive Action
Commerce Department adds Chinese EV supply-chain firms to the Entity List
The Commerce Department placed several Chinese companies tied to EV battery production on the Entity List, restricting U.S. exports of sensitive technologies to those firms.
April 17, 2026
•
Donald Trump
Executive Action
Invokes Defense Production Act to accelerate Midwest flood recovery
The president issued an order using the Defense Production Act to prioritize the production and allocation of construction materials, heavy equipment, and housing components for communities affected by spring flooding in the Midwest.
February 5, 2026
•
Donald Trump
Executive Action
President Signs Executive Order on National Cybersecurity Emergency Measures
The president signed an executive order requiring mandatory cyber-incident reporting for critical infrastructure, directing DHS and DoD to accelerate defensive measures, and authorizing coordinated sanctions against foreign cyber actors.