Like anything else in economics, there are a few competing definitions of the term interest rate. The Economics Glossary defines interest rate as: "The interest rate is the yearly price charged by a lender to a borrower in order for the borrower to obtain a loan. This is usually expressed as a percentage of the total amount loaned.
Archaeologists working in the Andes traditionally divide the cultural development of the Peruvian civilizations into 12 periods, from the Preceramic period (ca 9500 BC) through the Late Horizon and into the Spanish conquest (1534 CE). This sequence was initially created by archaeologists John H. Rowe and Edward Lanning and it was based on the ceramic style and radiocarbon dates from the Ica Valley of the South Coast of Peru, and later extended to the whole region.
The depth charge or bomb is a waterproof weapon used by ships or aircraft to attack submerged submarines. First Depth Charges HMS Tempest dropping a depth charge. The first depth charges were developed by the British in World War I for use against German submarines or U-boats, beginning in late 1915.
La Isabela is the name of the first European town established in the Americas. La Isabela was settled by Christopher Columbus and 1,500 others in 1494 AD, on the northern coast of the island of Hispaniola, in what is now the Dominican Republic in the Caribbean Sea. La Isabela was the first European town, but it was not the first colony in the New World--that was L'Anse aux Meadows, established by Norse colonists in Canada nearly 500 years earlier: both of these early colonies were abject failures.