Rev, Martin Luther King Jr. wrote while incarcerated in Birmingham, Alabama: “Injustice anywhere is a threat to justice everywhere.” MLK’s eloquent, 7,000-word letter — which was written to Alabama clergymen who were against his nonviolent Civil Rights protests during that time — called readers to take “direct action” against unjust laws and urged clergymen to better visualize the corner Black people were being forced into.

Martin Luther King Jr. Day is Monday. Here are a few Lehigh Valley events to celebrate the civil rights leader’s life, his work and his dream. Eastern State Penitentiary will offer programming Jan. 18-20 exploring the profound impact of Martin Luther King Jr.

Inside the Marcus Performing Arts Center, students challenged themselves and others through artwork, writing, and speeches in honor of Dr. Martin Luther King Jr.