[433][434]
In 1961, he was awarded the Laetare Medal by the University of Notre Dame, considered the most prestigious award for American Catholics.[435] He was posthumously awarded the Pacem in Terris Award (Latin: Peace on Earth). It was named after a 1963 encyclical letter by Pope John XXIII that calls upon all people of goodwill to secure peace among all nations. Kennedy also posthumously received the Presidential Medal of Freedom in 1963.[436]

Memorials and eponyms
Main article: List of memorials to John F. Kennedy
The graves of Kennedy and his wife at John F. Kennedy Eternal Flame memorial, Arlington National Cemetery
A small sample of the extensive list at the main article (link above) includes:

Idlewild Airport in Queens, New York City, nation's busiest international gateway, renamed John F. Kennedy International Airport on December 24, 1963
NASA Launch Operations Center in Merritt Island, Florida named the John F. Kennedy Space Center on November 29, 1963.
