The 7th century BC.

It is in the middle of the 8th century BC.

The years 1 to 100 BC (inclusive) are the 1st century BC.

101 to 200 are the 2nd century BC

201 to 300 are the 3rd century BC

301 to 400 are the 4th century BC

401 to 500 are the 5th century BC

501 to 600 are the 6th century BC

601 to 700 are the 7th century BC

701 to 800 are the 8th century BC

. . . and so on.

672 BC- 668 BC (7th Century BC)

7th century BC

86 BC is the first century BC (Before Christ). BC is a designation used to label or number years in the Julian and Gregorian calendars that precede the year 1 AD (Anno Domini which is Latin for "in the year of the Lord").

The centuries in relation to 86 BC are as follows:

• 7th century BC
• 6th century BC
• 5th century BC
• 4th century BC
• 3rd century BC
• 2nd century BC
• 1st century BC (86 BC)