April 30: Children's Day in Mexico. Today is Día del Niño, Children's Day in Mexico. Schools throw parties with games, shows and tasty treats. All over Mexico City there are special events for kids. It happened in Mexico City, Mexico.
1777 🔬 Carl Friedrich Gauss was born in Germany; as a child he quickly added up all the numbers from 1 to 100 and grew into a math genius.
1885 🌿 New York created the Niagara Reservation to protect the land around Niagara Falls, making it the state's first park open free to everyone. Niagara Falls →
1897 🔬 Physicist J. J. Thomson announced he had discovered the electron, a tiny particle far smaller than an atom that carries electricity.