mayans
Mayans.
They were invented in India and brought to Europe by Arabs.
The original lock and key system was used by Egyptians over 4000 yrs. ago, as discovered by archaeologists. They were crude, and made of wood, but they were the forerunners of the lock and key system we still use today.
it was invented in eighteen twelve by Cheyenne architect James p Julian.
The first IV saline was used in 1832. Thomas Latta first used it during the cholera epidemic for patients who were sick.
I believe that they used the headright system to capture, buy, and sell African slaves, but i'm not a 100% sure.
base 2
It was (and still is) used by the Jews.
The Roman numeral system
The Pre-Columbian Maya civilization used the myna numbering system.
The base-sixty (sexagesimal) system was first used by the Sumerians sometime around 2000 BCE.
The prefix "bi-" means 2. Binary is also called Base 2.If you still haven't figured it out, the answer is two.
Yes, the Tsalagi or Cherokee language has numbers. These are the first ten:saquui or saquuta'litso:inv:gihi:sgisudaligaliquo:gitsune:la or tsane:lasone:lasgohiThe : sign is used to indicate a long vowel.
Bob Bobsen
Binary
Roman Numerals were the numbering system used by the ancient Romans. It is what they used to count with.
Illinois never used a county code system
The Tzolkin calendar consists of 260 days. 260 is the product of 20 and 13. The Mayans used a numbering system with a base of 20, and they believed that there were 13 layers in the underworld.