Hadrian's Wall
from Declination, 1, #3, p 1.

Hadrian's Wall was built between 122 and 126 A.D. by the Roman Emperor Hadrian and was extended a century later by Emperor Severus. lt stretched the breadth of England from the Irish to the North Seas and served as the northern boundary and first defense line of Latin Britain. Fragments of Hadrian's Wall still stand today, a silent testimony to the enduring skill of Roman engineering.

Upon mutual agreement before the start of the game, players of Avalon Hill's Britannia may optionally add the following rules to simulate the construction and defense capabilities of Hadrian's Wall.

1. General
1.1 USE OF STANDARD RULES : Except as specified in the following rules, the standard Britannia rules apply.

2. Construction of Walls
2.1 LOCATION: The player controlling the Romans may build Walls astride the following three borders only: (1) between Bernicia and Lothian; (2) between Pennines and Lothian; (3) between Galloway and Cumbria.

2.2 BUILDING: When a Roman army becomes the sole occupant of Bernicia, Lothian, Pennines, Galloway, or Cumbria for the first time, even if only moving through, a Wall is built on the appropriate border(s) as listed in 2.l above.
Examples: When a Roman army occupies Galloway, a Wall is built between Galloway and Cumbria. When a Roman army occupies Lothian, two Walls are built--one between Lothian and Bernicia and the other between Lothian and Pennines.

2.3 WALLS AND FORTS: Walls are built in addition to any fort(s) that can be built. For Walls, players may use forts or any other convenient counters.

2.4 PLACEMENT: Wall counters are placed on top of the appropriate border. They are not placed within the land.

2.5 RESTRICTIONS: A Wall is built only the first time the area is captured by the Romans, not each time. Only one Wall counter may be placed on each of the three borders.
Example: When occupying Cumbria for the first time, the Roman player builds a Wall on the border between Cumbria and Galloway. Later, if he occupies Galloway or reoccupies Cumbria, he does not place an additional counter on the border.

Walls may be built only during Turns 1, 2, 3, 4 and 5. All Wall counters are permanently removed at the beginning of Turn 6.

3. Effects of Walls
3.1 CROSSING WALLS: Each non-Roman army that tries to cross a Wall into a Roman-occupied area must roll one die. On a roll of 1, 2, 3, or 4, the army successfully moves into the area. On a roll of 5 or 6, the army is eliminated.

3.2 RETREATS: Rule 3.1 above applies only during the Movement Phase. Armies may freely retreat across walls subject to normal retreat rules.

3.3 NON-ROMAN AREAS: Note that rule 3.1 above does not apply when moving across a Wall into a non-Roman occupied area. An area is considered Roman occupied for the purpose of this rule if it contains at least one Roman counter (forts included) even if occupied by other non-Roman counters (as can happen during the Movement Phase.)

3.4 DIE ROLLS: The moving player moves and rolls separately for each army crossing a Wall. He may observe the result of each die roll before deciding to move another army.

3.5 DIRECTION: Rule 3.1 above applies even if the army is traveling north across a Wall (for example, from Bernicia to Lothian) as long as the area moved into is Roman occupied.

3.6 ROMAN ARMIES: Walls have no effect on the movement or retreat of Roman armies.

Updated 22 Jan 08.

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