CRIMINAL HISTORY: Ancient Rome - Security 3 min 56 secs - Guard dogs, large doors, and massive locks were Roman's security.

CRIMINAL HISTORY: Ancient Rome - Law and Order 3 min 26 secs - Criminal trials were just as sensational in Ancient Rome.

MODERN MARVELS: Police Gear - History of Police 1 min 27 secs - There's been some form of police since time began, Modern Marvels looks through the pages of police history.

MODERN MARVELS: Police Gear - Police Robot 1 min 6 secs - Peter Weller made the idea of a Robot Cop famous but Modern Marvels looks into the real life robocops.

MODERN MARVELS: Police Gear - Cop Cars 4 min 38 secs - Police Cars have to be able to out run and out gun all other cars on the road. Modern Marvels looks into the Tech of Cop Cars.

CRIMINAL HISTORY: Ancient Rome - Security 3 min 56 secs

Guard dogs, large doors, and massive locks were Roman's security.

CRIMINAL HISTORY: Ancient Rome - Law and Order 3 min 26 secs

Criminal trials were just as sensational in Ancient Rome.

MODERN MARVELS: Police Gear - History of Police 1 min 27 secs

There's been some form of police since time began, Modern Marvels looks through the pages of police history.

MODERN MARVELS: Police Gear - Police Robot 1 min 6 secs

Peter Weller made the idea of a Robot Cop famous but Modern Marvels looks into the real life robocops.

MODERN MARVELS: Police Gear - Cop Cars 4 min 38 secs

Police Cars have to be able to out run and out gun all other cars on the road. Modern Marvels looks into the Tech of Cop Cars.

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POLICE,

The conception of the police force as a protective and law enforcement organization developed from the use of military bodies as guardians of the peace, such as the Praetorian Guard of ancient Rome. The Romans achieved a high level of law enforcement, which remained in effect until the decline of the empire and the onset of the Middle Ages. Beginning in the 5th century, policing became a function of the heads of fiefdoms and principalities.

Encyclopedia : POLICE POWER,

Encyclopedia : PRAETORIAN GUARD,

Encyclopedia : SCOTLAND YARD,

1918 Battle of Epehy

1945 MacArthur in Tokyo

1961 Hammarskjold dies in plane crash

1987 Accidental poisoning in Brazil

1964 North Vietnamese Army begins infiltration

1997 Turner's gift stuns U.N.

Rome - Engineering an Empire

The blueprints of the Roman Empire's greatest creations.

Human Weapon Check out videos and images about the show!

Mexico

Mexico's history and culture in depth and interactive.

World War II In 1939 a war began that changed the world in a way never paralleled.

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What's Your Dark Ages Character? Upload photo. Dress up.

The Bible The Bible is at the core of both Christianity and Judaism and still plays a key role in everyday life.

Rome: Engineering an Empire:

Wednesday, May 14 at 12 PM EDT

Rome: Engineering an Empire:

Wednesday, May 14 at 6 PM EDT

The Plague:

Thursday, May 15 at 12 PM EDT

The Plague:

Thursday, May 15 at 6 PM EDT

Barbarians: Mongols.

Thursday, May 22 at 2 PM EDT

Barbarians: Mongols.

Thursday, May 22 at 8 PM EDT

Rome: Engineering an Empire: Wednesday, May 14 at 12 PM EDT

For more than 500 years, Rome was the most powerful and advanced civilization the world had ever known, ruled by visionaries and tyrants whose accomplishments . . .

Rome: Engineering an Empire: Wednesday, May 14 at 6 PM EDT

For more than 500 years, Rome was the most powerful and advanced civilization the world had ever known, ruled by visionaries and tyrants whose accomplishments . . .

The Plague: Thursday, May 15 at 12 PM EDT

It began like the common cold. Then fever, baseball-sized black swellings on the neck, coughing of blood. Few lived more than two days. The year--1347. . . .

The Plague: Thursday, May 15 at 6 PM EDT

It began like the common cold. Then fever, baseball-sized black swellings on the neck, coughing of blood. Few lived more than two days. The year--1347. . . .

Barbarians: Mongols. Thursday, May 22 at 2 PM EDT

Shot in film on location, we examine "The Mongol Catastrophe"--the invasion by nomadic warriors that swarmed out of the east overwhelming the . . .

Barbarians: Mongols. Thursday, May 22 at 8 PM EDT

Shot in film on location, we examine "The Mongol Catastrophe"--the invasion by nomadic warriors that swarmed out of the east overwhelming the . . .