In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer. Date: July 15, 1910 Read more on Wikipedia → 📅 Other events on July 15 📅 Events on this day in 1910 📅 On This Day (Today)

In Seattle, Washington, William Boeing and George Conrad Westervelt incorporate Pacific Aero Products (later renamed Boeing). Date: July 15, 1916 Read more on Wikipedia → 📅 Other events on July 15 📅 Events on this day in 1916 📅 On This Day (Today)

World War I: The Second Battle of the Marne begins near the River Marne with a German attack. Date: July 15, 1918 Read more on Wikipedia → 📅 Other events on July 15 📅 Events on this day in 1918 📅 On This Day (Today)

Aftermath of World War I: The Parliament of Poland establishes Silesian Voivodeship before the Polish-German plebiscite. Date: July 15, 1920 Read more on Wikipedia → 📅 Other events on July 15 📅 Events on this day in 1920 📅 On This Day (Today)

The Japanese Communist Party is established in Japan. Date: July 15, 1922 Read more on Wikipedia → 📅 Other events on July 15 📅 Events on this day in 1922 📅 On This Day (Today)

Massacre of July 15, 1927: Eighty-nine protesters are killed by Austrian police in Vienna. Date: July 15, 1927 Read more on Wikipedia → 📅 Other events on July 15 📅 Events on this day in 1927 📅 On This Day (Today)

The Holocaust: Nazi Germany begins the deportation of 100,000 Jews from the occupied Netherlands to extermination camps. Date: July 15, 1942 Read more on Wikipedia → 📅 Other events on July 15 📅 Events on this day in 1942 📅 On This Day (Today)

The State of North Borneo, now Sabah, Malaysia, is annexed by the United Kingdom. Date: July 15, 1946 Read more on Wikipedia → 📅 Other events on July 15 📅 Events on this day in 1946 📅 On This Day (Today)

The Boeing 367-80, the prototype for both the Boeing 707 and C-135 series, takes its first flight. Date: July 15, 1954 Read more on Wikipedia → 📅 Other events on July 15 📅 Events on this day in 1954 📅 On This Day (Today)

Eighteen Nobel laureates sign the Mainau Declaration against nuclear weapons, later co-signed by thirty-four others. Date: July 15, 1955 Read more on Wikipedia → 📅 Other events on July 15 📅 Events on this day in 1955 📅 On This Day (Today)