In the 1970s, television matured into the medium we know today. Shows like "M*A*S*H," "The Mary Tyler Moore Show," and the comedies of Norman Lear emerged.

An investigation into a "third-rate burglary" in 1972 uncovered multiple abuses of power that led to the only presidential resignation in US history.

As the US withdrew from Vietnam, the country began to reconcile with the effects and impact of the decade-long war.

The US grappled with an unprecedented wave of violent crimes throughout the decade.

The US seemed to go from bad to worse as the country dealt with a number of crises, one after the other.

The US experienced a dramatic shift of sexual mores, customs and gender roles.

The birth and evolution of terrorism as we know it today.

American popular music exploded into new formats while established artists found new creative voice.