May 12·Every year

Vesak

The most sacred day in the Buddhist calendar, marking the birth, enlightenment, and death of Gautama Buddha. Observed across Southeast Asia, Sri Lanka, and wherever Buddhist communities gather.

Category: Culture
Observed in: Sri LankaofficialThailandofficialSouth KoreaofficialSingaporeofficialIndia

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Notable · 2022

The Event Horizon Telescope released the first image of Sagittarius A*.

2024Middle/End of the May 2024 Solar Storms, the most powerful set of Geomagnetic storms since the 2003 Halloween solar storms.
2018Paris knife attack: A man is fatally shot by police in Paris after killing one and injuring several others.
2017The WannaCry ransomware attack impacts over 400,000 computers worldwide, targeting computers of the United Kingdom's National Health Services and Telefónica computers.