Who Was John McCain
John McCain was a United States Senator from Arizona and a 2008 Republican presidential nominee. He served in the Navy, was a prisoner of war in Vietnam, and later represented Arizona in Congress for decades.
John McCain Cause of Death
John McCain died on August 25, 2018, at age 81. The cause of death was complications from glioblastoma, an aggressive brain cancer. He had been diagnosed in July 2017 and had continued to serve in the Senate while receiving treatment.
John McCain Legacy and Public Record
McCain was known for his bipartisan work, including the McCain-Feingold campaign finance law and his role in shaping national security policy. His death prompted widespread tributes from both parties. Public records and official statements document his service and final days.
For more details on his career and final statement, see the Senate historical records.
