The Great Reset of 1816 — Institutional Assessment

1816 is known in historical records as the “Year Without a Summer,” caused by the April 1815 eruption of Mount Tambora in Indonesia. The volcanic winter that followed led to widespread crop failures across the Northern Hemisphere.

The Institution’s assessment of this period is filed under a broader classification than the Tambora event alone. The assessment covers the years 1810–1825 and documents a range of phenomena — demographic, architectural, botanical, and astronomical — that the Institution considers disproportionate to what a single volcanic eruption, however large, would produce.

The Institutional Concern

The Institution’s primary concern is not the climate event but a gap in the urban development record across multiple European cities during this period. Cities that show continuous construction records before 1810 and after 1825 show irregular or absent records for the intervening period. The gaps have been attributed to the economic disruption of the Napoleonic Wars and the Tambora aftermath. The Institution’s analysis of the gaps finds this explanation insufficient for reasons documented at the Second Degree.