Related Clues:

• Of historical dimensions
• ''The Ten Commandments,'' for one
• Celebratory service
• Blockbuster
• Tale of high adventure
• See 20 Across
• Grand-scale tale
• Awesome, in slang
• PC user's shortcut
• Of monumental proportions
• Prefix for phone or bucks
• Herculean
• The 'm' of E = mc squared
• Like some poetry
• Hit prefix