4. Martin Luther King’s “I Have a Dream” Speech
It may have been a while since you last heard Dr. Martin Luther King Jr.’s famous speech in full, rather than just the highlights. Despite social change since 1963, there are still wider lessons to be drawn from the civil rights hero’s historic words.
3. Tiananmen Square Protests
The anonymous “Tank Man” of this heart-stopping footage has never been identified, but the sight of him, unarmed, planted firmly in front of a line of tanks in Tiananmen Square in 1989 has become an enduring symbol of amazing courage.