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A Roman era sundial on display at a museum in Side, Turkey The Romans used various ancient timekeeping devices . According to Pliny , Sundials , or shadow clocks, were first introduced to Rome when a Greek sundial captured from the Samnites was set up publicly around 293-290 BC., [ 2 ] with another early known example being imported from Sicily ...
Six-hour clock at the Quirinal Palace, Rome. The six-hour clock (Italian: sistema orario a sei ore), also called the Roman (alla romana) or the Italian (all'italiana) system, is a system of date and time notation in Italy which was invented before the modern 24-hour clock.
The most famous example of a timekeeping device during the medieval period was a clock designed and built by the clockmaker Henry de Vick in c.1360, [88] [101] which was said to have varied by up to two hours a day. For the next 300 years, all the improvements in timekeeping were essentially developments based on the principles of de Vick's ...
Timekeeping was important to Vedic rituals, and Jyotisha was the Vedic-era field of tracking and predicting the movements of astronomical bodies in order to keep time, in order to fix the day and time of these rituals, [18] [19] [20] which were developed around the end of 2nd millennium BC as mentioned in "Sathapatha Brahmana".
This is a timeline of Roman history, comprising important legal and territorial changes and political events in the Roman Kingdom and Republic and the Roman and Byzantine Empires. To read about the background of these events, see Ancient Rome and History of the Byzantine Empire .
The ancient Roman city of Pompeii was home to up to 20,000 people before it was destroyed in the 79 AD eruption, which was visible from more than 40 kilometers (25 miles) away. More than 2,000 ...
The Roman calendar was the calendar used by the Roman Kingdom and Roman Republic. Although the term is primarily used for Rome's pre-Julian calendars, it is often used inclusively of the Julian calendar established by Julius Caesar in 46 BC. [a] According to most Roman accounts, their original calendar was established by their legendary first ...
Coin of Pescennius Niger, a Roman usurper who claimed imperial power AD 193–194. Legend: IMP CAES C PESC NIGER IVST AVG. While the imperial government of the Roman Empire was rarely called into question during its five centuries in the west and fifteen centuries in the east, individual emperors often faced unending challenges in the form of usurpation and perpetual civil wars. [30]