Conversation so far:
What happened to Black Sabbath in 2006?
In 2006, Rhino Records released Black Sabbath: The Dio Years, a compilation of songs culled from the four Black Sabbath releases featuring Ronnie James Dio.
Was Black Sabbath: The Dio Years successful?
The Dio Years was released on 3 April 2007, reaching number 54 on the Billboard 200.
Did Black Sabbath: The Dio Years have any hit singles?
The single The Devil Cried reached number 37 on the Mainstream Rock Tracks chart.
Did Black Sabbath go on tour for Black Sabbath: The Dio Years?
Tony Iommi and Ronnie James Dio decided to reunite the Dio era line-up for a world tour.

Question: Where did they tour?
Self-contained rewrite: Where did Black Sabbath tour for Black Sabbath: The Dio Years?