July 22, 1971, 11:15, Vienna

July 22 is the 203rd day of the year, 162 days remaining

July 22: 22/7 in the majority of date formats, an ancient approximation of pi
http://en.wikipedia.org/wiki/Pi_Approximation_Day

1829
Inventor William Butt patents the typewriter

1933: Wiley Post flies solo around the world

1943
World War II: American troops liberate Palermo in Sicily (Italy).

1981
Mehmet Ali Agca is jailed for life for the attempted assassination of Pope John Paul II.

2005 - Jean Charles de Menezes is killed by police as the hunt begins for the London Bombers. See 7 July 2005 London bombings and 21 July 2005 London bombings

2007 - 22.-24. Ubuntu Live Conference in Portland, Oregon
http://www.ubuntulive.com/

2009 - The total solar eclipse of July 22 2009 will be visible across south-east Asia and the western Pacific. This will be a spectacular total eclipse, lasting over 6½ minutes at maximum and visible to millions of people over a path up to 258 km wide.

Birthday

1784 - Friedrich Bessel, German mathematician and astronomer
http://en.wikipedia.org/wiki/Friedrich_Bessel

1887 - Gustav Ludwig Hertz, German physicist
http://en.wikipedia.org/wiki/Gustav_Ludwig_Hertz

1948 - Otto Waalkes, German comedian
http://en.wikipedia.org/wiki/Otto_Waalkes

1971 - Robert Redl, Austrian Infojunkie
http://leuropa.eu/about

1974 - Franka Potente, German actress
http://en.wikipedia.org/wiki/Franka_Potente

1980 - Kate Ryan, Belgian singer
http://en.wikipedia.org/wiki/Kate_Ryan