A personal history is a record of an individual's life, often including their BACKGROUND, PAST experiences, and memoirs. A MEMOIR is a written account of one's life, usually covering a specific period or event. BACKGROUND is the information that provides context for an event or situation. The PAST is the time before the present, typically referring to events that have already happened. Memoirs are written accounts of a person's life, often focusing on a particular period or event.