Did you know? Mass of lightest allowable Formula 1 racing car (incl driver excl fuel) (702 kg) is 500 x Mass of an ostrich egg (approx) (1.4 kg)
Time since the birth of mathematician Maria Gaetana Agnesi (206 y)
/fact/time-since-the-birth-of-mathematician-maria-gaetana-agnesi
Link
If this was a standard unit ...