Events January– March January 5 – The Great Kalmyk (Torghut) Migration is led by Ubashi Khan, from the east bank of the Lower Volga River back to the homeland of Dzungaria, at this time under Qing Dynasty rule. January 9 – Emperor Go-Momozono accedes to the throne of Japan, following his aunt's abdication. February 12 – Upon the death of Adolf Frederick, he is succeeded as King of Sweden by his son Gustav III. At the time, however, Gustav is unaware of this, since he is abroad in Paris. The news of his father's death reaches him about a month later. March – War of the Regulation: North Carolina Governor William Tryon raises a militia, to put down the long-running uprising of backcountry militias against North Carolina's colonial government. March 12 – The North Carolina General Assembly establishes Wake County (named for Margaret Wake, the wife of North Carolina Royal Governor William Tryon) from portions of Cumberland, Johnston and Orange counties. Bloomsbury (later known as Wake Courthouse) is made the informal county seat. March 15 – The Smeatonian Society of Civil Engineers first meets in London, the world's oldest engineering society. April–June April 4 – The first quarantines are started in Moscow and Saint Petersburg to fight the bubonic plague. Over the next 12 months, more than 52,000 people die from the plague in Moscow alone. May – Three battles of Sarbakusa: An alliance of three of the most powerful aristocrats of Ethiopia (Goshu of Amhara, Wand Bewossen, and Fasil of Damot) defeats Ras Mikael Sehul and Emperor Tekle Haymanot I, taking control of Ethiopia. May 11 – War of the Regulation: North Carolina Governor William Tryon marches his military out of Hillsborough, to come to the aid of General Hugh Waddell's beleaguered forces. Tryon's army stops at Alamance Creek, away from the Regulator army. May 16 – War of the Regulation – Battle of Alamance: Regulators reject an appeal by Governor Tryon to peacefully disperse. Governor Tryon's forces crush the rebellion, causing many Regulators to move to frontier areas outside of North Carolina. May 23 – Battle of Lanckorona: A force of 4,000 Russians under Alexander Suvorov defeat a Polish formation of 1,300 men. June 11 — The Society of Gentlemen Supporters of the Bill of Rights meets in the London Tavern and changes its platform from to a comprehensive program for British parliamentary reform in advance of the