The U.S. Supreme Court upholds the constitutionality of Massachusetts's mandatory smallpox vaccination program in Jacobson v. Massachusetts. Date: February 20, 1905 Read more on Wikipedia → 📅 Other events on February 20 📅 Events on this day in 1905 📅 On This Day (Today)
Russian Revolution of 1905: Grand Duke Sergei Alexandrovich of Russia is assassinated in the Moscow Kremlin by Socialist Revolutionary Ivan Kalyayev. Date: February 17, 1905 Read more on Wikipedia → 📅 Other events on February 17 📅 Events on this day in 1905 📅 On This Day (Today)
In Mexico, the General Hospital of Mexico is inaugurated, initially with four basic specialties. Date: February 5, 1905 Read more on Wikipedia → 📅 Other events on February 5 📅 Events on this day in 1905 📅 On This Day (Today)
The world's largest diamond ever, the Cullinan, which weighs 3,106.75 carats (0.621350 kg), is found at the Premier Mine near Pretoria in South Africa. Date: January 26, 1905 Read more on Wikipedia → 📅 Other events on January 26 📅 Events on this day in 1905 📅 On This Day (Today)
Bloody Sunday occurs in Saint Petersburg, beginning the 1905 revolution. Date: January 22, 1905 Read more on Wikipedia → 📅 Other events on January 22 📅 Events on this day in 1905 📅 On This Day (Today)