Input (grade 12): The towns of Annaberg and Buchholz (merged in 1945 to form Annaberg-Buchholz) were founded by the turn of the 16th century due to the discovery of silver and tin deposits.
Output (grade 7): The capital city was formed in 1945 when the towns of Annaberg and Buchholz were joined to form Annaberg-Buchholz.