The Oklahoma explosion (caused by a detonated truck bomb) took 168 lives including 19 children, and injured 680 people.
A series of shootings in Tulsa's Greenwood area has once again raised concerns over escalating racial tensions.
Oklahoma is expected to pass a measure that would repeal the rights of non-uniformed state employees to bargain for their wages and working conditions.
Last week's Laborfest was a first effort dedicated "to showing Oklahomans the rich history and future of the labor movement in our state," and indeed, Oklahomans have bragging rights.
When Sen. Tom Coburn of Oklahoma left for his "Spring Break" on March 29, he also left some 200,000 jobless Americans without badly needed money to provide for their families.