s ▁observations ▁of ▁Mess ier ▁ 7 1 ▁ ▁Category : 1 9 1 1 ▁birth s ▁Category : 1 9 9 9 ▁death s ▁Category : Pe ople ▁from ▁Chicago ▁Category : 2 0 th - century ▁astronom ers ▁Category : American ▁astronom ers ▁Category : N orth western ▁University ▁al umn i ▁Category : Har vard ▁University ▁al umn i ▁Category : Ind iana ▁University ▁fac ulty ▁Category : Un ited ▁States ▁Naval ▁Academy ▁fac ulty ▁Category : New ▁Mexico ▁State ▁University ▁fac ulty ▁Category : 2 0 th - century ▁American ▁scient ists ▁Category : 2 0 th - century ▁American ▁invent ors <0x0A> </s> ▁The ▁women ' s ▁ 1 0 0 ▁metres ▁hur d les ▁event ▁at ▁the ▁ 2 0 1 1 ▁All - A frica ▁Games ▁was ▁held ▁on ▁ 1 3 ▁September . ▁ ▁Results ▁Wind : ▁+ 4 . 2   m / s ▁ ▁References ▁Results ▁Results ▁▁ 1 0 0 ▁Category : 2 0 1 1 ▁in ▁women ' s ▁athlet ics <0x0A> </s> ▁C ao ▁Th ị ▁ Đ o an ▁Tr ang ▁( born ▁February ▁ 4 , ▁ 1 9 7 8 ▁in ▁D ong ▁N ai , ▁Vietnam ) ▁is ▁a ▁contemporary ▁Vietnam ese ▁pop / Lat in - infl uen ced ▁singer ▁res iding ▁in ▁Vietnam . ▁Gener ally , ▁she ▁is ▁referred ▁to ▁as ▁ Đ o an ▁Tr ang . ▁ ▁Starting ▁career ▁by ▁particip ating ▁in ▁many ▁music ▁shows ▁and ▁winning ▁plenty ▁of ▁pri