1660s, from un- (1) not + conditional. Related: Unconditionally. Unconditional surrender in the military sense is attested from 1730; in U.S., often associated with Civil War Gen. Ulysses S. Grant and the taking of Fort Donelson. The ringing phrase of Grant's latest despatch circulated through the North like some coinage fresh from the mint, and Unconditional Surrender, which suited the initials of his modest signature, became like a baptismal name. [James Schouler, History of the United States of America, Dodd, Mead & Co., 1899].
Splitting Fingernails. Fingernails can crack and break because of several reasons. The most common factor being, nail-hardening products and nail polish that may be drying up the nails. However, sometimes health imbalances can also make the nails brittle and cause them to split. Fingernails are made up of a structural protein called keratin.
1 If you are taking care to eat plenty of protein, calcium and vitamin rich foods, but your fingernails are still displaying deep ridges it could mean that your body is having nutrient absorption issues. 2  If this is the case, it is important to consult a doctor to find out what is going on.