An ongoing reference to exhibits, events, lectures, reenactments, ceremonies, and other tributes commemorating the significance of Lincoln's life and his presidency during this 200th-year anniversary.

Construct an ongoing, shared classroom timeline in middle and elementary classrooms, and help students tackle the chronology of history.

When does the past go from 'recent' to 'history?' Consider these questions about textbook portrayals of late 20th-century events.