16th century.
they wanted numbers below zero and called them negative numbers
Possibly 5th Century BC
A.d. 101 - a.d. 200
Irrational numbers were known in India around 7th Century BCE but there existence as a different class of number but they had not proved their existence. That is sometimes attributed to Hippasus, a Greek philosopher of the Pythagorean school in the 5th Century BCE.
Is a Russian Art nouveau painter of the early XXth century.
Charles Terrasse has written: 'Van Gogh, peintre' 'French painting in the XXth century'
Real Madrid C.F. officially is the best football club of XXth century.
XXth century: Balkanic war, World War I, World War II and many other wars during a long unfortunate history.
Elsa V. Artadi has written: 'The economic tragedy of the XXth century' -- subject(s): Economic conditions
16th century.
numbers devoloped on 1st - 5th century
19th century. Take the first two numbers and add one. (Only works for 4-digit numbers.
The 18th century, whatever the first 2 numbers are, the century is one number higher
Denis Hermann has written: 'Shi'i trends and dynamics in modern times (XVIIIth-XXth centuries) ='
Negative numbers were accepted in the 1700's
Jan Vanderhaven is a fictional doctor from early XXth century, who was studying leprosy before going to Suriname to study the case of living-dead people. He finaly define Solanum virus which is, in Max Brooks'Zombie Survival Guide fictional version of our world, the origin of zombie symptoms.