As an AI language model, I do not have preferences or opinions, but I can provide some interesting facts about April 20 in Missouri history:

1. In 1820, the Missouri Compromise was passed by Congress, which allowed Missouri to enter the United States as a slave state while Maine was admitted as a free state in order to maintain the balance of power between the free and slave states.

2. In 1861, Missouri became the 12th state to secede from the Union and join the Confederacy during the Civil War. The state was also the site of several important battles, such as the Battle of Wilson’s Creek and the Battle of Pea Ridge.

3. In 1939, the famous African American singer and activist Billie Holiday recorded her iconic song "Strange Fruit" in a studio in Columbia, Missouri. The song describes the lynching of a black man in the South, and is considered a powerful anthem of the Civil Rights Movement.

4. In 1971, the University of Missouri in Columbia became one of the first universities in the country to establish a Women's Center, which provided support and resources for female students and faculty members. This was part of a broader movement towards women's liberation and gender equality.

5. In 1999, the Mass Meetings and Civil Disorders Task Force was formed in Missouri in response to the police shooting of unarmed African American teenager Michael Brown in Ferguson, Missouri. The task force was tasked with developing strategies to address police brutality and promote community policing practices in the state.