World Bee Day – A day designated by the United Nations to raise awareness of the importance of bees for the ecosystem and agriculture.
World Metrology Day – A day established to commemorate the signing of the Metre Convention in 1875, which laid the foundation for international cooperation in metrology.
International Clinical Trials Day – A day to recognize the importance of clinical trials in advancing medical science and improving patient care.
Cultural Diversity Day – A day to promote cultural diversity, understanding and harmony among people of different cultures and backgrounds.
National Rescue Dog Day – A day to honor rescue dogs and their contributions to society, as well as raise awareness of the importance of adopting rescue dogs.
325 AD: The First Council of Nicea, the first ecumenical council of the Christian church, is concluded in Nicea, Bithynia (modern-day Iznik, Turkey).
1217: The Second Battle of Lincoln takes place during the First Barons’ War in England, with the forces of Prince Louis of France defeating those of King Henry III.
1498: Portuguese explorer Vasco da Gama arrives at the port of Calicut (now Kozhikode), India, becoming the first European to reach India by sea.
1873: Levi Strauss and Jacob Davis receive a U.S. patent for blue jeans with copper rivets.
1927: Charles Lindbergh takes off from New York City in the Spirit of St. Louis, beginning his historic solo transatlantic flight to Paris.
1961: American civil rights activists, also known as Freedom Riders, are attacked and beaten by a mob of white segregationists in Montgomery, Alabama.
2013: A devastating EF5 tornado strikes Moore, Oklahoma, killing 24 people and injuring more than 200 others.