1. Whether a federal court may increase a defendant's sentence under the Armed Career Criminal Act (ACCA) by relying on its own finding about non-elemental facts to conclude a defendant's prior offenses were "committed on occasions different from another."

2. If so, whether the federal court may rely solely on the non-elemental dates alleged in the state court charging documents, absent a transcript of the colloquy in which the defendant confirmed the factual basis for the plea, to find the prior offenses were committed on different occasions.

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