Finland declared war on the Soviet Union after an air raid was launched on Finnish cities.
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The Diary of a Young Girl by Anne Frank was published.
Barbed wire was patented by Lucien B Smith in Ohio, US.
This day marked the end of Edward V of England's reign.
The rainbow flag was flown for the first time at the San Francisco Gay Freedom Day Parade.
The World Health Organization estimated that Yemen had over 200,000 cases of cholera.
