General fact: 128 is the atomic number of unbioctium, an element yet to be discovered.
Mathematical fact: 128 is the only 3-digit number that is a 7th power.
Trivia: 128 is the atomic number of unbioctium, an element yet to be discovered.
Historical date: May 7th is the day in 1429 that Joan of Arc ends the Siege of Orléans, pulling an arrow from her own shoulder and returning, wounded, to lead the final charge.