Misc: the u.s minted a 1787 copper coin with what tongue-in-cheek motto?

Questions

---------- fly higher during the day than the night.?

Construction workers hard hats were first invented and used in the building of the ---------- Dam in 1933.?

Did you know you share a birthday with at least ---------- other people in the world??

Each year there is one ton of ---------- poured for each man, woman and child in the world.?

---------- is a registered trademark of Xerox, ?