1. On April 5, 1950, the Oklahoma City Zoo opened its doors for the first time, filled with exotic animals from around the world.

2. In 2002, the Oklahoma City National Memorial and Museum officially opened on April 5, exactly six years after the devastating bombing of the Alfred P. Murrah Federal Building in downtown Oklahoma City.

3. On April 5, 1915, the inaugural meeting of the Oklahoma chapter of the Daughters of the American Revolution was held in Oklahoma City, bringing together women who had ancestors that fought for America's independence.

4. April 5, 1984 marked the groundbreaking ceremony for the BOK Center in Tulsa, a world-class entertainment venue that now hosts over 300 events per year.

5. On April 5, 1898, the territorial legislature of Oklahoma passed a bill granting women the right to vote in school board elections, making Oklahoma one of the earliest states to grant women suffrage.