On This Day, May 3
- 2023: Nine students and a security guard are killed in the Belgrade school shooting, the first attack of its kind in Serbia.
- 2023: Ethnic violence breaks out between the Meitei and the Kuki Zo people in the state of Manipur.
- 2021: Twenty-six people are killed and ninety-eight are injured after an elevated section of the Mexico City Metro collapses.
- 2016: Eighty-eight thousand people are evacuated from their homes in Fort McMurray, Alberta, Canada as a wildfire rips through the community, destroying approximately 2,400 homes and buildings.
- 2015: Two gunmen launch an attempted attack on an anti-Islam event in Garland, Texas, which was held in response to the Charlie Hebdo shooting.