Analysis of information sources in references of the Wikipedia article "Động cơ hơi nước" in Vietnamese language version.
A south Wales town has begun months of celebrations to mark the 200th anniversary of the invention of the steam locomotive. Merthyr Tydfil was the location where, on ngày 21 tháng 2 năm 1804, Richard Trevithick took the world into the railway age when he set one of his high-pressure steam engines on a local iron master's tram rails