A memoir is any nonfiction narrative writing based on the author's personal memories. The assertions made in the work are thus understood to be factual. While memoir has historically been defined as a
Title page of Henry Thoreau's memoir, Walden (1854)
An excerpt from the manuscript "Memoires on Napoleon's campaigns, experienced as a soldier of the second regiment", written by Joseph Abbeel, 1805–1815.
A narrative, story, or tale is any account of a series of related events or experiences, whether non-fictional or fictional. Narratives can be presented through a sequence of written or spoken words,
Memoir
…A memoir (; from French mémoire , from Latin memoria 'memory, remembrance') is any nonfiction narrative writing based on the author's personal memories. The assertions made in the work are thus understood to be factual. While memoir has historically been…