Holidays similar to or like Juneteenth

The legal institution of human chattel slavery, primarily of Africans and African Americans, that existed in the United States of America from its founding in 1776 until the passage of the Thirteenth Amendment in 1865. Established throughout European colonization in the Americas. Wikipedia

State in the South Central region of the United States. Second largest U.S. state by both area and population (after California). Wikipedia

Racism in the United States traces the attitudes, laws, practices and actions which discriminate against various groups in the United States based on their race or ethnicity; while most white Americans enjoy legally or socially sanctioned privileges and rights which have at various times been denied to members of other ethnic or minority groups. European Americans, particularly affluent white Anglo-Saxon Protestants, are said to have enjoyed advantages in matters of education, immigration, voting rights, citizenship, land acquisition, bankruptcy, and criminal procedure throughout United States history. Wikipedia

Infantry regiment of United States Colored Troops from Illinois that served in the Union Army during the American Civil War. Officially accepted for service in April 1864 and sent to fight in the Eastern Theater of the American Civil War. Wikipedia

The Reconstruction era, the period in American history that lasted from 1865 to 1877 following the American Civil War (1861–65), marked a significant chapter in the history of civil rights in the United States. Reconstruction ended the remnants of Confederate secession and abolished slavery, making the newly freed slaves citizens with civil rights ostensibly guaranteed by three new constitutional amendments. Wikipedia

The movement that sought to end slavery in the United States, and was active both before and during the American Civil War. Movement that sought to end the Atlantic slave trade and to free the slaves. Wikipedia