when did the vat rate change from 17.5 to 20???

Answer: 4 January 2011
Question: how many layers does open systems interconnection model have?

Answer: seven
Answer this question: who sang on the dark side of the moon??

Pink Floyd
Q: when was the united states formed as a country?A: 1776
Input: when did maryland make anglicanism it's established religion?

Output: April 21, 1649
Input: when did ghana won the under 20 world cup?

Output:
2009