August 21

Friday 21, 1987:

Hard rock band Guns 'N Roses release their classic debut Appetite for Destruction.

Friday 21, 1959:

President Eisenhower signs an executive order proclaiming Hawaii the 50th state of the union.

Tuesday 21, 1888:

The first successful adding machine in the United States was patented by William Seward Burroughs.

Thursday 21, 1879:

The Virgin Mary, along with St. Joseph and St. John the Evangelist reportedly appear to the people of Knock, County Mayo, Ireland.

Sunday 21, 1842:

The city of Hobart, Tasmania, is founded.