In History, Today on November 21

The Treaty of Ripon was signed, ending the Second Bishops' War between England and Scotland.

The Battle of Rowton Heath takes place during the English Civil War, resulting in a victory for the Parliamentarians over the Royalists.

The first untethered manned flight was made in a hot air balloon by Jean-François Pilâtre de Rozier and François Laurent d'Arlandes.

Thomas Edison announced his invention of the phonograph, a device for recording and replaying sound.

Bloody Sunday occurred in Dublin during the Irish War of Independence, with 31 people killed in a day of violence.

The Verrazano-Narrows Bridge, connecting Staten Island and Brooklyn in New York City, opened to traffic.

Ministerial Conference on the Protection of Forests in Europe was held in Helsinki, focusing on sustainable forest management.

A fire at the MGM Grand Hotel in Las Vegas killed 85 people and injured hundreds more, becoming one of the deadliest hotel fires in U.S. history.

The Dayton Agreement was initialed in Dayton, Ohio, ending the Bosnian War and outlining a general framework for peace in Bosnia and Herzegovina.

NATO invites seven Eastern European countries to join the alliance: Bulgaria, Estonia, Latvia, Lithuania, Romania, Slovakia, and Slovenia.

The second round of the Ukrainian presidential election takes place, leading to the Orange Revolution due to widespread allegations of electoral fraud.

The Lebanese politician Pierre Gemayel is assassinated, leading to political turmoil in Lebanon.

Ukrainian President Viktor Yanukovych suspends preparations for signing an association agreement with the European Union, sparking the Euromaidan protests.

Robert Mugabe resigns as President of Zimbabwe after 37 years in power, following a military intervention and public protests.