In what year was the album “The Days of Grays” released by Sonata Arctica?

In what year was the album “The Days of Grays” released by Sonata Arctica?: The album “The Days of Grays” was released in 2009 by Sonata Arctica, featuring 20 tracks.
What is the most successful song from the album “The Days of Grays” by Sonata Arctica?: “Flag in the Ground” is the biggest hit from the album “The Days of Grays” by Sonata Arctica.
What are the main songs from the album “The Days of Grays” by Sonata Arctica?: The main songs from the album “The Days of Grays” by Sonata Arctica are “Flag in the Ground”, “Juliet”, “Flag in the Ground”, and “Juliet”.

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