6818 events
Burmese national hero U Ottama dies in prison after a hunger strike to protest Britain's colonial government.
World War II: The submarine HMS Oxley is mistakenly sunk by the submarine HMS Triton near Norway and becomes the Royal…
World War II: The Canadian declaration of war on Germany receives royal assent.
World War II: The Estonian military boards the Polish submarine ORP Orzeł in Tallinn, sparking a diplomatic incident…
World War II: The Estonian military boards the Polish submarine ORP Orzeł in Tallinn, sparking a diplomatic incident…
World War II: The Soviet invasion of Poland begins.
World War II: German submarine U-29 sinks the British aircraft carrier HMS Courageous.
World War II: The Polish government of Ignacy Mościcki flees to Romania.
World War II: The Polish government of Ignacy Mościcki flees to Romania.
World War II: The radio show Germany Calling begins transmitting Nazi propaganda.
World War II: The radio show Germany Calling begins transmitting Nazi propaganda.
World War II: The Battle of Kępa Oksywska concludes, with Polish losses reaching roughly 14% of all the forces engaged.
Romanian prime minister Armand Călinescu is assassinated by the Iron Guard.
World War II: A joint German–Soviet military parade in Brest-Litovsk is held to celebrate the successful invasion of…
World War II: Nazi Germany and the Soviet Union agree on a division of Poland.
World War II: The siege of Warsaw comes to an end.
World War II: General Władysław Sikorski becomes prime minister of the Polish government-in-exile.
World War II: General Władysław Sikorski becomes prime minister of the Polish government-in-exile.
World War II: After a one-month siege, German troops occupy Warsaw.
World War II: The Battle of Kock is the final combat of the September Campaign in Poland.