June 13

Today in History
• 1373 - Anglo-Portuguese Treaty of Alliance, world's oldest, signed in London
• 1611 - John Fabricius dedicates earliest sunspot publication
• 1721 - England signs Treaty of Madrid
• 1633 - Charter for Maryland is given to Lord Cecil Baltimore
• 1753 - Austria, England and Modena sign secret military treaty
• 1774 - Rhode Island becomes 1st colony to prohibit importation of slaves
• 1777 - Leonard Norcross patents a submarine diving suit
• 1825 - Walter Hunt patents safety pin


Holidays - Traditional and Obscure
• Feast of St. Anthony
• International Axe Throwing Day
• Maharana Pratap Jayanti
• National Chamoy Day
• National Forklift Safety Day
• National Sewing Machine Day
• National Weed Your Garden Day
• World Softball Day

Birthdays
• 823 - Charles II the Bald, King of France (843-77)
• 1612 - Karel van Croij, prince of Chimay/Duke of Aarschot
• 1731 - Martha Washington, 1st US First Lady (1789-97)
• 1786 - Winfield Scott, army general, Union, presidential candidate
• 1790 - Jose Antonio Paez, president of Venezuela
• 1820 - Henry the Navigator, prince of the Netherlands
• 1821 - Albert, 4th duc de Broglie, Prime Minister of France (1873-74, 1977)
• 1831 - James Clerk Maxwell, Scotish physicist, electromagnetic theory