With the expected release of the remaining JFK assassination files following President Donald Trump's executive order, here is a look back on the documents' original declassification timeline.

On November 22, 1963, Lee Harvey Oswald, a former U.S. Marine and defector to the Soviet Union, fired three shots from a sixth-floor window of the Texas School Book Depository, striking President Kennedy as his motorcade passed through Dealey Plaza in Dallas.

President Trump signed an executive order Thursday directing the release of federal government documents related to the assassinations of former President John F. Kennedy, former Attorney General

An executive order signed by President Donald Trump is ordering the release of classified documents surrounding the assassinations of President John F. Kennedy, Sen. Robert F. Kennedy and Dr. Martin Luther King,

Intelligence agencies to release all records on JFK, RFK, and MLK assassinations, including CIA and FBI surveillance files from three assassinations

The executive order demands that the attorney general and director of national intelligence “present a plan within 15 days for the full and complete release” of the JFK assassination records. Next, they will “immediately review” the records related to the RFK and MLK Jr. assassinations and present a plan for their release within 45 days.

On his fourth day in office as president, Donald Trump ordered records on the assassinations of the Rev. Dr. Martin Luther King, Jr., President John F. Kennedy and Sen. Robert F. Kennedy declassified.

Congress passed a law in 1992 requiring the documents surrounding President Kennedy's assassination to be released by 2017, but the release has been held up by national security concerns.

Robert F. Kennedy Jr. suggested, if confirmed to head the Department of Health and Human Services, he is open to significantly limiting access to mifepristone

If he is confirmed as health and human services secretary, Kennedy would oversee the implementation of Medicaid, in addition to Medicare and the Affordable Care Act.

Trump signed an executive order on Thursday to declassify files related to the assassinations of John F. Kennedy, Robert F. Kennedy and the Rev. Martin Luther King Jr.

The Senate Finance Committee holds Health and Human Services secretary nominee Robert F. Kennedy Jr.'s first confirmation hearing today. Follow here for live updates.