Context: The earliest mentions of Slavic raids across the lower River Danube may be dated to the first half of the 6th century, yet no archaeological evidence of a Slavic settlement in the Balkans could be securely dated before c. 600 AD.

Question: The earliest mentions of Slavic raids are across what river?
Answer: River Danube

Question: The earliest mentions of what may be dated to the first half of the 6th century?
Answer: Slavic raids

Question: No archaeological evidence of a Slavic settlement in the Balkans could be securely dated before when?
Answer: c. 600 AD

Question: There is no evidence of a Slavic settlement where before c. 600 AD?
Answer: the Balkans

Question: When did the Slavics raid the River Danube?
Answer: Unanswerable

Question: When was archaeological evidence of Slavic settlements first discovered?
Answer: Unanswerable

Question: All archaeological evidence for the Slavics is dated after what year?
Answer: Unanswerable

Question: Who raided the Slavics?
Answer: Unanswerable