In what year did Britain launch steam propelled frigates?

The year when Britain launched steam-propelled frigates is significant as it marks an important transition in naval technology from sail to steam power. The adoption of steam propulsion allowed for faster and more maneuverable vessels, changing naval warfare and maritime operations.

The year 1843 is historically noted as the time when Britain officially launched its first steam-propelled frigates, which represented a major advancement in naval engineering. This innovation paved the way for further developments in ship design and tactics, influencing the naval capabilities of Britain and subsequently other nations.

Other choices refer to years that are not associated with the launch of steam frigates in Britain, as significant progress in steam propulsion occurred within specific timeframes. The launch in 1843 can thus be seen as a pivotal moment in naval history, showcasing Britain's leadership in maritime technology during that era.