1. In 1905, Oklahoma City's first bank and trust company, the Farmers National Bank, opened for business. Today, the building that housed the bank is home to the Oklahoma City University School of Law.

2. On May 10, 1935, Dylan Thomas, the Welsh poet and writer, made his first American radio appearance on the CBS program "Columbia Workshop." His recitation of his poem "And Death Shall Have No Dominion" was broadcast from KFWB radio in Hollywood.

3. In 1963, a devastating tornado hit the town of Irving, Oklahoma, killing five people and injuring 95 others. The tornado was part of a larger outbreak that affected several states across the Midwest and South.

4. On May 10, 1978, the Oklahoma City Zoo opened its new Children's Zoo exhibit. The exhibit, which featured animals specifically geared towards educating and entertaining children, was a popular attraction for families in the area.

5. In 1996, a car bomb exploded outside the Alfred P. Murrah Federal Building in Oklahoma City. The attack, which was carried out by domestic terrorists Timothy McVeigh and Terry Nichols, killed 168 people and injured over 600 others. The bombing remains the deadliest act of homegrown terrorism in American history.