June 20 is the 171st day of the year (172nd in leap years) in the Gregorian calendar. There are 194 days remaining until the end of the year.
In the Northern Hemisphere, the Summer solstice sometimes occurs on this date, while the Winter solstice occurs in theSouthern Hemisphere.
More anniversaries:
451 – Battle of Chalons: Flavius Aetius' battles Attila the Hun. After the battle, which was inconclusive, Attila retreats, causing the Romans to interpret it as a victory.
1248 – The University of Oxford receives its Royal charter.
1631 – The sack of Baltimore: The Irish village of Baltimore is attacked by Algerian pirates.
1652 – Tarhoncu Ahmed Pasha is appointed Grand Vizier of the Ottoman Empire.
1685 – Monmouth Rebellion: James Scott, 1st Duke of Monmouth declares himself King of England at Bridgwater.