Wikipedia:Selected anniversaries/July 22
July 22: Parents' Day in the United States (2007); Pi Approximation Day; Feast day of Mary Magdalene.
- 1099 – First Crusade: Godfrey of Bouillon was elected the first Protector of the Holy Sepulchre in the Kingdom of Jerusalem.
- 1793 – Two days after becoming the first Euro-American to complete a transcontinental crossing north of Mexico, Scottish-Canadian explorer Alexander MacKenzie reached the westernmost point of his journey and inscribed his name on a rock using a reddish paint made of vermilion and rendered bear fat.
- 1812 – Peninsular War: Near Salamanca, Spain, an Anglo-Portuguese force led by Arthur Wellesley (pictured) inflicted a severe defeat on Marshal Auguste Marmont and his French troops in the Battle of Salamanca.
- 1933 – Wiley Post became the first pilot to fly a fixed-wing aircraft solo around the world.
- 1946 – An Irgun bomb destroyed the headquarters of the British Mandate of Palestine at the King David Hotel in Jerusalem, killing about 90 people and injuring 45 others.
- 2003 – Coalition forces attacked a compound in Mosul, Iraq, killing two of Saddam Hussein's sons, Uday and Qusay, the "aces of hearts and clubs" on the U.S. list of most-wanted Iraqis after the invasion of Iraq.
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