lots of July 16 noteables imo
622 – The beginning of the Islamic calendar.
997 – Battle of Spercheios: Bulgarian forces of Tsar Samuel are defeated by a Byzantine army under general Nikephoros Ouranos at the Spercheios River in Greece.
1054 – Three Roman legates break relations between Western and Eastern Christian Churches through the act of placing an invalidly-issued Papal bull of Excommunication on the altar of Hagia Sophia during Saturday afternoon divine liturgy. Historians frequently describe the event as the start of the East–West Schism.
1212 – Battle of Las Navas de Tolosa: After Pope Innocent III calls European knights to a crusade, forces of Kings Alfonso VIII of Castile, Sancho VII of Navarre, Peter II of Aragon and Afonso II of Portugal defeat those of the Berber Muslim leader Almohad, thus marking a significant turning point in the Reconquista and in the medieval history of Spain.
1232 – The Spanish town of Arjona declares independence and names its native Muhammad ibn Yusuf as ruler. This marks the Muhammad's first rise to prominence; he would later establish the Nasrid Emirate of Granada, the last independent Muslim state in Spain.
1377 – Richard II of England is crowned.
1661 – The first banknotes in Europe are issued by the Swedish bank Stockholms Banco.
1683 – Manchu Qing dynasty naval forces under traitorous commander Shi Lang defeat the Kingdom of Tungning in the Battle of Penghu near the Pescadores Islands.
1769 – Father Junípero Serra founds California's first mission, Mission San Diego de Alcalá. Over the following decades, it evolves into the city of San Diego, California.
1779 – American Revolutionary War: Light infantry of the Continental Army seize a fortified British Army position in a midnight bayonet attack at the Battle of Stony Point.
1790 – The District of Columbia is established as the capital of the United States after signature of the Residence Act.
1809 – The city of La Paz, in what is today Bolivia, declares its independence from the Spanish Crown during the La Paz revolution and forms the Junta Tuitiva, the first independent government in Spanish America, led by Pedro Domingo Murillo.
1849 – Antonio María Claret y Clará founds the Congregation of the Missionary Sons of the Immaculate Heart of Mary, popularly known as the Claretians in Vic, in the province of Barcelona, Catalonia, Spain.
1861 – American Civil War: At the order of President Abraham Lincoln, Union troops begin a 25-mile march into Virginia for what will become the First Battle of Bull Run, the first major land battle of the war.
1862 – American Civil War: David Farragut is promoted to rear admiral, becoming the first officer in United States Navy to hold an admiral rank.
1909 – Persian Constitutional Revolution: Mohammad Ali Shah Qajar is forced out as Shah of Persia and is replaced by his son Ahmad Shah Qajar.
1910 – John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
1915 – Henry James becomes a British citizen to highlight his commitment to Britain during the first World War.
1915 – First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
1927 – Augusto César Sandino leads a raid on U.S. Marines and Nicaraguan Guardia Nacional that had been sent to apprehend him in the village of Ocotal, but is repulsed by one of the first dive-bombing attacks in history.
1931 – Emperor Haile Selassie signs the first constitution of Ethiopia.
1935 – The world's first parking meter is installed in Oklahoma City, Oklahoma.
1941 – Joe DiMaggio hits safely for the 56th consecutive game, a streak that still stands as an MLB record.
1942 – Holocaust: Vel' d'Hiv Roundup (Rafle du Vel' d'Hiv): The government of Vichy France orders the mass arrest of 13,152 Jews who are held at the Winter Velodrome in Paris before deportation to Auschwitz.