In the 1950's
In April 1969
10am-8pm
because trams suck
A tram can be a monorail without wheels.
The motto of Yarra Trams is 'Love Your Trams'.
Transport for London (TFL) is the umbrella name for all of London's transport services which include underground, overground, DLR, taxis, hire cars, buses, trams etc.
Trams were used in Auckland between 1902 to 1956. (Electric trams).
Trams in Milan was created in 1876.
Yarra Trams was created in 1999.
Trams in Turin was created in 1871.
Inekon Trams was created in 2001.
It's known as a tram. They were very common 50 years ago, but pretty rare now, although there are some modern tram services like that in Croydon in South London.
Wikipedia provides information about the history of trams. One can also look on Railpage, Yarra Trams, and Groundwork East Midlands for information about the history of trams.