Related Clues:

• Action necessary for breach of promise
• Gig publicized by a band
• Undertaking between subaltern and Joan Hunter Dunn
• Sort of ring for fighting
• Promise action
• Date of military action
• Agreement to marry
• Ring for this appointment?
• Fight the ring is for
• Fighting that might lead to union?
• Promise made by engineer to get on with number in police
• Battle that led to union?
• Fight before wedding
• Commitment to marriage
• Good time to have chaps in field of medicine taking part