3–9 August – French and Indian War: At the Battle of Fort William Henry a French army under Louis-Joseph de Montcalm forces the British to surrender Fort William Henry. The French army's Indian allies slaughter the survivors, not understanding the terms of the surrender.
24 December – the Pratt-Yorke opinion distinguishes overseas territories acquired by conquest from those acquired by private treaty: while the Crown of Great Britain enjoys sovereignty over both, only the property of the former is vested in the Crown.
The government reduces the annual interest payable on Consolidated Annuities (consols) from 3.5% to 3%, where it will remain until 1888.[8]