The 1918 Flu Pandemic Estimates suggest that this flu claimed as many as 50 million lives around the world between 1918 and 1919.
The History of International Women’s Day The first “Woman’s Day” celebration was organized by the U.S. Socialist Party in Chicago on May 2, 1908.
The History of Vaccination: Top 10 Things to Know The origins of vaccination lie in the practice of variolation, which was used to protect against smallpox.