A Polish man living in Germany went about his business for about five years without noticing he had been shot in the head because he was drunk when it happened.
Police in the western city of Bochum said doctors found a .22 calibre bullet in the back of his head after the 35-year-old went to have what he thought was a cyst removed.
Presented with the 5.6mm projectile, the man recalled he had received a blow to the head around midnight at a New Year’s party in 2004 or 2005, but had forgotten about it because he had been very drunk, a police spokesman said.
The wound later healed around the bullet and it was not until the man decided to have the lump examined due to recurring pains that the discovery was made.
Police said they were not treating the incident as suspicious as the bullet might have got lodged in the man’s head when a reveller fired a gun in celebration.