Conversation so far:
What happened in James Buchanana's final years?
James Buchanan spent most of his remaining years defending his actions leading up to the Civil War, which was even referred to by some as Buchanan's War.
How did James Buchanan go about defending himself during his final years?
James Buchanan defended himself in an exchange of letters with Winfield Scott, published in the National Intelligencer. He began writing his fullest public defense, in the form of his memoir.
How was James Buchanan's defense in his final years received?
When did James Buchanan pass away?
James Buchanan died on June 1, 1868, of respiratory failure at the age of 77 at his home at Wheatland.
Where was James Buchanan buried?
James Buchanan was interred in Woodward Hill Cemetery in Lancaster.

Question: Was there anything notable that happened after his death?
Self-contained rewrite: Was there anything notable that happened after James Buchanan's death?