The Battle of Tannenberg is a decisive German victory on the Eastern Front.

Roanoke Lost Colony mystery remains unsolved

Robert the Wise becomes King of Naples

The Sydney Opera House is opened by Queen Elizabeth II in Australia.

The Watergate break-in occurs at the Democratic National Committee headquarters.

The Teutonic Order is granted the right to conquer Prussia

Bosnia declares independence triggering Yugoslav Wars

Mamluk sultan Baibars conquers Al-Maris in present-day Sudan

St. Lucia's flood, a massive storm in the North Sea, creates the Zuiderzee in the Netherlands

Anglo-Dutch fleet defeats the French at the Battle of La Hogue

The SS Great Eastern lays the first successful transatlantic telegraph cable

Sir Walter Raleigh is released from the Tower of London.

Otto von Bismarck achieves the unification of Germany.

Empress Ma of the Han Dynasty dies in China.

Turku Cathedral in Finland is consecrated

Lithuanian forces defeat the Teutonic Knights at the Battle of Aizkraukle

The Anglo-Zulu War begins in Southern Africa

The last of the Arabs are expelled from Sicily

Hungarian forces repel a Cuman invasion at the Battle of Lake Hód

The Samguk Sagi, a historical text of Korea, is completed

The head of the Statue of Liberty is displayed at a Paris exhibition

Frederick II is crowned Holy Roman Emperor by Pope Honorius III

The Wendish Crusade is launched against the Polabian Slavs

Greta Thunberg leads global climate strike with 6 million participants