Possible Clues:

• ____ Day (hockey maven)
• 'Our __ is loss, our hope but sad despair': 'Henry VI, Part III'
• "Our __ is loss, our hope but sad despair": "Henry VI, Part III"
• Luck, quaintly
• Luck, in olden days
• TV's "___ & Leonard"
• Chance occurrence, old-style
• Word that literally means 'that which occurs,' which also gives us the English word for the ideal state of mind #deep
• WWII general __ Arnold
• NHL's Day