Possible Clues:

• Anglo-Saxon tax
• Traditional story about collecting a penny tax in Anglo-Saxon England
• Tax in Anglo-Saxon times paid to invaders
• Democrat's explanatory writing about a regressive old tax
• 10th century tax imposed to buy off Viking invaders
• Old man holding up info on the Spanish land-tax
• Fighting bird
• Glad need ran out for this old tax
• Protection money (once)
• Tax imposed in 10th century to protect against Viking invaders