What is associated with: 160 of a minute until 1960 it was defined as 186400th of a mean solar day?

Based on the clue '16 short tons minus 13 short tons leaves you this ...', what is the answer? Based on the clue '16 tablespoons equals one of these', what is the answer? Based on the clue '16 years before he went wild in network he played ...', what is the answer? What is referred to by '16'? Based on the clue '160 square rods equals 1 of this square measure th...', what is the answer? What is associated with: 1605 part one of this spanish classic is first published? What is associated with: 1605 this man is discovered under the english parliament along with barrels of gunpowder? What is associated with: 1607 this site is settled in what would become the first permanent english colony in the new w…