12-27 = -15
1227
1227.com is not a virus, It just uses popups.
Pope Gregory IX reigned from 1227-1241.
1227 3rd Ave, New York, NY 10021
Deja
1+1226
1227 CE
1227
1206-1227
Sandomierz was created in 1227.
Jochi died in 1227.
Mujū was born in 1227.