Days of Hot Weather in Naples. Highs in the 80s Fahrenheit are common every month of the year here. And nearly every summer day at Naples reaches into the 90s F. But the thermometer normally stops short of 100 Â°F (38 Â°C). Days per month in Naples of at least 70, 80 or 90 Â°F.
The first steam locomotive was built by Richard Trevithick; it first ran on 21 February 1804, although it was some years before steam locomotive design became economically practical. The first commercial use of a steam locomotive was Salamanca on the narrow gauge Middleton Railway in Leeds in 1812.
1 1804 - First steam locomotive railway known as Penydarren or Pen-y-Darren locomotive was built by Richard Trevithick, used to haul iron from Merthyr Tydfil to Abercynon, Wales. 2  The first train carried a load of 10 tons of iron. 3  On one occasion it successfully tried hauling 25 tons. 1807 - First fare-paying, passenger railway service in the world was established on the Oystermouth Railway in Swansea, Wales. 2  Later this became known as the Swansea and Mumbles Railway although the railway was more affectionately known as The Mumbles Train (Welsh: Tren Bach I'r Mwmbwls).