National Science Day (India) – A day to commemorate the discovery of the Raman effect by Indian physicist Sir C.V. Raman, and to promote scientific research and education in India.
Rare Disease Day – This day aims to raise awareness about rare diseases and their impact on patients’ lives. The day highlights the need for better research, treatment, and support for individuals living with rare diseases.
National Tooth Fairy Day (United States) – This day celebrates the mythical figure of the tooth fairy, who is said to leave a small gift or money under a child’s pillow in exchange for a lost tooth. The day promotes good dental hygiene practices and encourages parents to teach their children about the importance of taking care of their teeth.
2020 – The first known case of COVID-19 is reported in the state of California in the United States.
1991 – The Gulf War ends, with a cease-fire declared by the United Nations and Iraq.
1953 – Cambridge University scientists James Watson and Francis Crick announce that they have discovered the structure of DNA.
1922 – The United Kingdom grants Egypt independence.
1844 – A gun on board the USS Princeton explodes during a demonstration, killing several people including the Secretary of State and the Secretary of the Navy.
1827 – The first U.S. railroad chartered to carry passengers and freight, the Baltimore & Ohio Railroad, is incorporated.
1704 – A French and Native American force led by Jean-Baptiste Hertel de Rouville attacks the English settlement of Deerfield, Massachusetts, killing 56 people and taking more than 100 captive in what becomes known as the Deerfield Massacre.