The Scots and the French formed an alliance against the English on this day in 1295. Isaac Newton published Philosophæ Naturalis Principia Mathematica in 1687. The Salvation Army was founded in London in 1865. Vaguely meat-like substance Spam was introduced in 1937. The bikini was introduced in 1946 and Arthur Ashe became the first black man to win Wimbledon in 1975. Celebrating birthdays today: Robbie Robertson, Huey Lewis, Bill Watterson and Gianfranco Zola. It is Independence Day in Venezuela, Cape Verde, and Algeria.