After decades of being celebrated at mostly the local level, Juneteenth – the long-standing holiday that commemorates the arrival of news of emancipation and freedom to enslaved Black people in Galveston, Texas, in 1865 – became a federal holiday in 2021. In honor of this year’s Juneteenth, Corey D. B. Walker shares a list of readings that can help people better understand the history and meaning of the observance.