On this day: 30/01/1018

Poland and the Holy Roman Empire conclude the Peace of Bautzen.

On this day: 30/01/1287

King Wareru founds the Hanthawaddy Kingdom, and proclaims independence from the Pagan Kingdom.

On this day: 30/01/1607

An estimated 200 square miles (51,800 ha) along the coasts of the Bristol Channel and Severn Estuary in England are destroyed by massive flooding, resulting in an estimated 2,000 deaths.

On this day: 30/01/1648

Eighty Years' War: The Treaty of Münster and Osnabrück is signed, ending the conflict between the Netherlands and Spain.

On this day: 30/01/1649

Charles I of England is executed in Whitehall, London.

On this day: 30/01/1661

Oliver Cromwell, Lord Protector of the Commonwealth of England, is ritually executed more than two years after his death, on the 12th anniversary of the execution of the monarch he himself deposed.

On this day: 30/01/1703

The Forty-seven rōnin, under the command of Ōishi Kuranosuke, avenge the death of their master, by killing Kira Yoshinaka.

On this day: 30/01/1789

Tây Sơn forces emerge victorious against Qing armies and liberate the capital Thăng Long.

On this day: 30/01/1806

The original Lower Trenton Bridge (also called the Trenton Makes the World Takes Bridge), which spans the Delaware River between Morrisville, Pennsylvania and Trenton, New Jersey, is opened.

On this day: 30/01/1820

Edward Bransfield sights the Trinity Peninsula and claims the discovery of Antarctica.