The first observation of gravitational waves is made, announced by the LIGO and Virgo collaborations on 11 February 2016. Date: September 14, 2015 Read more on Wikipedia → 📅 Other events on September 14 📅 Events on this day in 2015 📅 On This Day (Today)

Yemen's Houthi rebels claim responsibility for an attack on Saudi Arabian oil facilities. Date: September 14, 2019 Read more on Wikipedia → 📅 Other events on September 14 📅 Events on this day in 2019 📅 On This Day (Today)

Death of Queen Elizabeth II: The Queen's coffin is taken from Buckingham Palace, placed on a gun carriage of The King's Troop Royal Horse Artillery and moved in a procession to Westminster Hall for her lying in state over the next four days with the queue of mourners stretching for miles along the River Thames….

The Santos-Dumont 14-bis makes a short hop, the first flight of a fixed-wing aircraft in Europe. Date: September 13, 1906 Read more on Wikipedia → 📅 Other events on September 13 📅 Events on this day in 1906 📅 On This Day (Today)

The final act of the Greco-Turkish War, the Great Fire of Smyrna, commences. Date: September 13, 1922 Read more on Wikipedia → 📅 Other events on September 13 📅 Events on this day in 1922 📅 On This Day (Today)

Following a military coup in Spain, Miguel Primo de Rivera takes over, setting up a dictatorship. Date: September 13, 1923 Read more on Wikipedia → 📅 Other events on September 13 📅 Events on this day in 1923 📅 On This Day (Today)

Elizabeth McCombs becomes the first woman elected to the New Zealand Parliament. Date: September 13, 1933 Read more on Wikipedia → 📅 Other events on September 13 📅 Events on this day in 1933 📅 On This Day (Today)

World War II: Second day of the Battle of Edson's Ridge in the Guadalcanal Campaign. U.S. Marines successfully defeat attacks by the Japanese with heavy losses for the Japanese forces. Date: September 13, 1942 Read more on Wikipedia → 📅 Other events on September 13 📅 Events on this day in 1942 📅 On This…