Wikipedia:Selected anniversaries/July 16
July 16: Marine Day in Japan (2007).
- 622 – The epoch of the Islamic calendar occurred, marking the year that Muhammad began his Hijra from Mecca to Medina.
- 1769 – Spanish friar Junípero Serra founded Mission San Diego de Alcalá, the first Franciscan mission in the Alta California region of New Spain.
- 1945 – Manhattan Project: "Trinity", the first nuclear test explosion, was detonated near Alamogordo, New Mexico, United States. (pictured)
- 1979 – Saddam Hussein replaced the resigning Ahmed Hassan al-Bakr as President of Iraq, after having gradually usurped power from his cousin.
- 1994 – The planet Jupiter was hit by fragments of the Shoemaker-Levy 9 comet, causing a fireball which reached a peak temperature of about 24,000 K.
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