Top 10 Most Important Roman Inventions

Sewers and Sanitation: With the Romans having access to fresh water in their cities thanks to their Aqueduct system, they eventually developed a sewer system.

Concrete: Although the Ancient Romans weren't the first to create concrete, they were first to utilize this material widespread.

Surgical Tools: Given that the Romans were often at war, they had to find ways to take care of their soldiers, thus the first surgical tools were born.

Aqueducts: The Romans did not invent the idea of transporting water as there were primitive canals and other water transportation systems in place before Ancient Roman times.

calendar based on lunar cycles Julian Calendar: The Julian calendar was the 365 day calendar that Julius Caesar made official in 46 B.C. It replaced . 

Roads and Highways: They say all roads lead to Rome, and the Romans needed those roads to manage such a big empire. They built 55,000 miles throughout Europe and the Mediterranean.

Roman Numerals: The numbers in the system are represented by combinations of letters from the Latin alphabet: I, V, X, L, C, D, and M. These are used to represent.

Newspapers: Romans were the first to distribute daily news to their citizens. Of course they did not use paper as a means of communication, instead.

The Postal System: The first postal and courier service was developed by Emperor Augustus in around 20 B.C. This was necessary as the size of the Roman Empire made.

Bound Books: Bound books, also called "Codex", is a collection of papyrus pages which made carrying documents much easier. Before this, Romans would inscribe information onto clay slabs and scrolls.