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- Public holiday
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El Salvadorofficial
Also on this day
Full history →Notable · 2017
Syrian civil war: The Syrian Democratic Forces, assisted by the U.S. military, captured the Tabqa Dam and surrounding countryside, completing the Battle of Tabqa.- 2024Start of the May 2024 solar storms, the most powerful set of geomagnetic storms since the 2003 Halloween solar storms.
- 2022Queen Elizabeth II misses the State Opening of Parliament for the first time in 59 years. It was the first time that a new session of Parliament was opened by the Prince of Wales and the Duke of Cambridge acting as Counsellors of State.
- 2017Syrian civil war: The Syrian Democratic Forces (SDF) capture the last footholds of the Islamic State of Iraq and the Levant (ISIL) in Al-Tabqah, bringing the Battle of Tabqa to an end.