On This Day
2015 - Kepler-452b
NASA announces discovery of Kepler-452b by the Kepler space telescope.
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On This Day
On This Day
1921 - 1st National Congress of the Chinese Communist Party
The Chinese Communist Party (CCP) is established at the founding National Congress.
On This Day
1914 - July Crisis
July Crisis: 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 accepts all but one of those demands and Austria declares war on July 28.
On This Day
2011 - Utøya
Norway attacks: A bomb explodes, targeted at government buildings in central Oslo, followed by a massacre at a youth camp on the island of Utøya.
On This Day
1951 - Dezik and Tsygan
Soviet space dogs: Dezik and Tsygan were launched into a sub-orbital spaceflight from Kapustin Yar and became the first dogs to fly in space and the first to safely return.
On This Day
1833 - Slavery Abolition Act 1833
The Slavery Abolition Act passes in the British House of Commons, initiating the gradual abolition of slavery in most parts of the British Empire.