First POD: In September 2,1666 the Great fire of London was greater and cause more damage and causilities killing over 420,000 citizens and destroyed major factories and businesses as well as a large portion of London. The damaged caused over 200 million pounds of damage. 12,000 people that survived were left homeless. Almost 92% of the city was destroyed and left in ruins. Most of the British army is sent to London to carry out the citizens.
In the winter of 1666, the Dutch created an anti-British alliance. Louis of France and Federick the third of Denmark declared war on Britain as in OTL. British troops in London were still giving refugee camps to the 90,000 survivors. Dutch naval power were strong thanks to its large merchant fleet that brought money to the Dutch.