Roman numeral overline IV 4000

A line can turn IV into 4,000

The 3,999 limit applies only to the modern standard form of Roman numerals. Historical users could put a line over a numeral to multiply it by 1,000, making an overlined IV equal 4,000.

Snakebites leave hundreds of thousands of people permanently disabled

Snakebite envenoming causes tens of thousands of deaths worldwide each year, especially in rural areas with limited access to treatment. Survivors may suffer tissue damage, amputations or other lasting disabilities. The health burden extends far beyond deaths, making rapid access to effective antivenom and medical care essential.

Rome shrank from an imperial metropolis into a city of scattered ruins

At its imperial peak, Rome may have housed around a million people. Wars, economic disruption and the breakdown of infrastructure caused its population to collapse over the following centuries. By the early Middle Ages, only a small fraction of that population remained, living among vast abandoned monuments and neighborhoods.

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Roman numeral overline IV 4000

A line can turn IV into 4,000

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