What year was the cornerstone of the Parliament Buildings laid?

The cornerstone of the Parliament Buildings in Canada was laid in 1860. This marked an important event in the history of Canadian governance, symbolizing the establishment of a space dedicated to the legislative functions of the country. The construction of the Parliament Buildings was part of the broader development of Ottawa as the capital city following the confederation of Canada in 1867. The year 1860 is significant not just for the laying of the cornerstone but also reflects the context of political and social transformation in Canada during that period. Other years listed do not correspond to this key moment in Canadian history regarding the Parliament Buildings.