In History, Today on September 17

The Battle of Myriokephalon took place, where the Byzantine Empire, led by Emperor Manuel I Komnenos, was defeated by the Seljuk Turks under Qilij Arslan II.

King Charles VI of France ordered the expulsion of all Jews from France.

The city of Boston, Massachusetts was founded by Puritan colonists.

The United States Constitution was signed by delegates at the Constitutional Convention in Philadelphia.

The Battle of Antietam, also known as the Battle of Sharpsburg, was fought during the American Civil War, marking the bloodiest single-day battle in American history.

Lieutenant Thomas Selfridge became the first person to die in an airplane crash, during a demonstration flight piloted by Orville Wright.

The Soviet Union invaded Poland from the east during World War II, following the Molotov-Ribbentrop Pact with Nazi Germany.

Operation Market Garden, an Allied military operation during World War II, began with the goal of capturing bridges in the Netherlands.

The Camp David Accords were signed by Egyptian President Anwar Sadat and Israeli Prime Minister Menachem Begin, brokered by U.S. President Jimmy Carter.

The Solidarity movement in Poland was officially recognized by the Polish government, marking a significant moment in the struggle for workers' rights and political reform in Eastern Europe.

The New York Stock Exchange reopens for trading after the September 11 attacks, marking the longest closure since the Great Depression.

The Occupy Wall Street movement begins with a protest in Zuccotti Park, New York City, against economic inequality and corporate influence in politics.

A gunman kills 12 people at the Washington Navy Yard in Washington, D.C., before being shot dead by police.

Scotland holds a referendum on independence from the United Kingdom, with 55% voting to remain part of the UK.

Israel holds its second general election of the year after the April election failed to result in a government formation.