Current affairs of 21st, 22nd and 23rd July 2013

Here bring to you Current affairs of 21st, 22nd and 23rd July 2013 on Daily GK Updates and Business Related News.

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Current Affairs of 21st and 22nd July 2013
1. 22 July : Pi Approximation Day is celebrated world wide on 22 July every year. The reason why this day is celebrated on 22 July is because of the value of Pi- 22/7. The fraction 22⁄7 is said to