It started in December 1911 and continued into late February 1912. February and March continued the unrelenting freeze. Both months were unusually cold, and March was the coldest on record for many states in the Midwest and Northeast. Parts of North Dakota saw their coldest March readings to date. Some cities saw their coldest weather that winter since the Little Ice Age. 1912 itself was a very cold year.
Fallacy: anecdote