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Events on Thursday 11 December 1845 2
1845First Anglo-Sikh War beginsSikh army crosses the SutlejThe Khalsa army of the Sikh Empire crossed the Sutlej River into territory held by the British East India Company. The Company declared war two days later. The war ended in 1846 with Sikh defeat and the loss of substantial Punjabi territory.
1845Sonderbund formedCatholic Swiss cantons form secret allianceSeven conservative Catholic cantons formed a separate defensive league, the Sonderbund, to resist liberal centralisation of the Swiss Confederation. Its existence broke the federal pact. The Sonderbund War of 1847 followed, and in 1848 Switzerland became a federal state.