Luxottica Group S.p.A. is an Italian eyewear company. Based in Milan, Italy, it is the world's largest eyewear company.
One of the most important developments during medieval-era jousting was the creation of the list, the roped off enclosure that serves as the playing field. The list brought order to chaos.
There was at least 1 mass extinction event during this period that covered the time between 4.6 Ga (billion years ago) to 523 Ma (million years ago), occurring near the end of the period.During this period all organisms were soft-bodied, the first hard-shelled forms didn't evolve until the the Cambrian.here was at least 1 mass extinction event during this period that covered the time between 4.6 Ga (billion years ago) to 523 Ma (million years ago), occurring near the end of the period.