Thing of the Past was created in 2007.
The word "thing" is a noun and so doesn't have a past tense. Only verbs have past tenses.
"Thing" is a noun and so doesn't have a past participle. Only verbs have tenses.
Created is the past tense of the verb create.
Past Brothers was created in 1929.
Return to the Past was created in 2008.
A Peep into the Past was created in 1923.
The Simple Past was created in 1954.
A Fugitive from the Past was created in 1965.
Past Continuous was created in 1977.
On the Impossible Past was created in 2011.
PAST Foundation was created in 2000.
Forward into the Past was created in 1976.