1457 – Gutenberg Bible became the first printed book.
1733 – Joseph Priestly invented carbonated water (seltzer).
1829 The three protecting powers (Britain, France and Russia) establish the borders of Greece.
1841 Cornstarch patented (Orlando Jones)
1902 – Great Britain and Persia agreed to link Europe and India by telegraph.
1903 Niagara Falls runs out of water because of a drought
1935 Blood tests authorized as evidence in court cases (NY)
1960 1st patent for lasers, granted to Arthur Schawlow & Charles Townes
By:Archa Dave
History of March 22
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