함무라비 법전 : https://audioclip.naver.com/channels/4834/clips/348

마라톤 경주 : https://audioclip.naver.com/channels/4834/clips/352

알렉산더 대왕 : https://audioclip.naver.com/channels/4834/clips/354

율리우스 카이사르 : https://audioclip.naver.com/channels/4834/clips/361

바이킹족 : https://audioclip.naver.com/channels/4834/clips/369

대항해시대 : https://audioclip.naver.com/channels/4834/clips/381

영국의 식민지 : https://audioclip.naver.com/channels/4834/clips/452

독일의 황제 : https://audioclip.naver.com/channels/4834/clips/440

나폴레옹 3세 : https://audioclip.naver.com/channels/4834/clips/402

명예 혁명 : https://audioclip.naver.com/channels/4834/clips/388