The final gasps of the Crab Head nebula were observed as it went supernova.
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A controversial bill to send asylum seekers to Rwanda was approved by the UK's parliament.
Edward & Sarah Bishop and seven others were examined by Magistrates in Salem, Massachusetts, for witchcraft.
The US Congress passed legislation that allowed the 'In God We Trust' inscription on the currency.
The German army used chlorine gas for the first time.
President Richard Nixon died of a stroke at the age of 81.
