Cé go bhfuil roinnt eipeasóid, tá imeachtaí a bheith nasctha le amanna sonracha, cé go bhfuil uaireanta an amlíne contrártha i eipeasóid ina dhiaidh sin. bliain Bart's birth a luaitear i "I Married Marge" (season three, 1991) mar a bheith i dtús na 1980í. I "Simpsorama" (season 26, 2014) Bart states his birthday as February 23. He lived with his parents in the Lower East Side of Springfield Wars until the Simpsons bought their first house. Nuair a rugadh Lisa, Bart was at first jealous of the hobby she received, but he soon warmed to her when he discovered that "Bart" was her first word. Bhí an seó i gcónaí suite sa bhliain reatha. I roinnt eipeasóid, tá imeachtaí a bheith nasctha le amanna sonracha, cé go bhfuil uaireanta an amlíne contrártha i eipeasóid ina dhiaidh sin.
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