If you were born in August, there is a good chance you share a birthday with a big rock or metal album that was released on that same day. READ MORE: Every Big Rock + Metal Album Released Each Day In July HistoryAugust has, historically, been a popular release month as bands as labels prepare to close out the year with what used to be big time sales leading into heavy touring cycles throughout the remainder of the summer and into the fall. Some of the biggest heavy metal titles ever also fall under the eighth calendar month, including the likes of Metallica, Black Sabbath, and Slipknot. Here is a look at the biggest albums of all time released each day in August. Every Big Rock + Metal Album Released Each Day in August History Here are the all-time best rock and metal albums released for each day in August.