WHAT ALL HAPPENED MAY TO SEPTEMBER 1914
Find out what all happened May to September 1914

In Brazil, Sociedade Esportiva Palmeiras is founded. (26. August 1914)

World War I: The Panama Canal opens to traffic with the transit of the cargo ship SS Ancon. (15. August 1914)

The Protocol of Corfu is signed recognising full autonomy to Northern Epirus under nominal Albanian sovereignty. (17. May 1914)

German submarine SM U-9 torpedoes and sinks the British cruisers, HMS Aboukir, HMS Hogue and HMS Cressy on the Broad Fourteens off the Dutch coast with the loss of over 1,400 men. (22. September 1914)

World War I: German troops capture Namur. (24. August 1914)

The Irish Home Rule Act becomes law, but is delayed until after World War I. (18. September 1914)

World War I: First Battle of the Atlantic – two days after the United Kingdom had declared war on Germany over the German invasion of Belgium, ten German U-boats leave their base in Heligoland to attack Royal Navy warships in the North Sea. (6. August 1914)

World War I: Germany invades Belgium. In response, Belgium and the United Kingdom declare war on Germany. The United States declares its neutrality. (4. August 1914)

World War I: Japan declares war on Germany and bombs Qingdao, China. (23. August 1914)

Serbia and Bulgaria interrupt diplomatic relationship. (26. July 1914)

The United States Federal Trade Commission (FTC) is established by the Federal Trade Commission Act. (26. September 1914)

World War I: Battle of Stallupönen – The German army of General Hermann von François defeats the Russian force commanded by Paul von Rennenkampf near modern-day Nesterov, Russia. (17. August 1914)

The United Kingdom's House of Commons passes the Home Rule Act for devolution in Ireland. (25. May 1914)

The new, and then the largest, Cunard ocean liner RMS Aquitania, 45,647 tons, sets sails on her maiden voyage from Liverpool, England, to New York, New York. (30. May 1914)

Austria-Hungary issues a series of demands in an ultimatum to the Kingdom of Serbia demanding Serbia to allow the Austrians to determine who assassinated Archduke Franz Ferdinand. Serbia will accept all but one of those demands and Austria will declare war on July 28. (23. July 1914)

World War I: Austria-Hungary declares war on Serbia after Serbia rejects the conditions of an ultimatum sent by Austria on July 23 following the assassination of Archduke Franz Ferdinand. (28. July 1914)

In Cleveland, Ohio, the first electric traffic light is installed. (5. August 1914)

World War I: Germans defeat the Russians in the Battle of Tannenberg (30. August 1914)

The Crown council of Romania decides for the country to remain neutral in World War I. (21. July 1914)

The funeral of Archduke Franz Ferdinand and his wife Sophie takes place in Vienna, six days after their assassinations in Sarajevo. (4. July 1914)