March 10th, 1876.
March 10th
US Patent 1,661,367 is for a tube flaring tool and was granted to Bernard F. Helminiak of Milwaukee, Wisconsin, on 6 March 1928.
June
october
There initially was no actual cost for ownership as you couldn't own a phone. The phones were rented as there were not any public telephone line networks or switchboard operators in place in the beginning. The cost back then was $10.00 a month which equates to about $215.00 a month (2012). Basically only the wealthy could afford this service.
The person that invented Black History Month is Carter G. Woodson.
Corporal Black History Month: Lincoln Alexander - Accueil
The iPad wasn't invented in a month. It is the result of design and engineering that took years to develop.
It was invented back in 2008.
The band aid was invented in 1920 by Earl Dickinson. The exact month and day in 1920 that he invented the Band-Aid is unknown.
1969
january