80: Number of Allied Aircraft German ace Manfred Von Richtofen is credited with shooting down

1916: Year Richtofen downed his first Allied Aircraft

60: Number of silver cups he had commissioned commemorating each kill (War shortages ended the practice)

1918: Year the ace was downed, on April 21

.303: Caliber of bullet that killed him – likely from an anti-aircraft gun

Source: Wikipedia and www.acepilots.com, a listing of flying aces