In 1895, the notable geography-related event in London was the completion of the Tower Bridge.
The geography-related event that occurred in 1895 in London, England was the construction of the Tower Bridge (option C). The Tower Bridge is an iconic symbol of London and a feat of engineering. Despite the advancements in electric streetcars, at the time London was focusing on expanding its infrastructure and the Tower Bridge was a significant addition, enhancing the connectivity within the city.
Moreover, 1895 falls well after the opening of the world's first subway, the Metropolitan line of the London Underground system, which began operation in 1863. Therefore, the most notable geographic-related event of that year was indeed the completion of Tower Bridge.