World Rat Day
Created in 2002 by the Rat Fan Club. Pet rats live 2-3 years, recognize their names, and laugh when tickled — the laugh is ultrasonic, recorded by neuroscientists.
- Category
- Animal
- Observed in
United States
Also on this day
Full history →Notable · 2013
A building collapsed on tribal land in Thane in Maharashtra, India, causing 74 deaths.- 2025The impeachment of President Yoon Suk Yeol of South Korea in response to his declaration of martial law is unanimously upheld by the country's Constitutional Court, ending his presidency.
- 2024Russo-Ukrainian war: The Battle of Chasiv Yar begins.
- 2023Finland becomes a member of NATO after Turkey accepts its membership request.