The euro currency came into existence on ____________?

Google was founded on_________?A. Sept 4, 1998
B. Mar 6, 1998
C. Jan 14, 1998
D. Aug 20, 1998

Google was founded in September 1998 by Larry Page and Sergey Brin while they were Ph.D. students at Stanford University in California. Together they own about 14 percent of its s and control 56 percent of the stockholder voting power through supervoting stock. They incorporated Google as a California privately held company on September 4, 1998, in California. Google celebrates its birthday on September 27 however Previously Google had celebrated its birthday on many different dates like September 7th, 8th and 26th.
Traditionally marks its birthday on the Google homepage on September 27. The date September 27 was chosen by Google in 2005 to celebrate its ‘birthday’ to coincide with the announcement of the record number of pages that the search engine was indexing.
However, not even Google seems to really know when it was formed. Since 2006, it has celebrated its birthday on September 27.