1099 – Jerusalem fell to the Crusaders.
1500 – Baglione family massacre at the “Blood Wedding” of Astorre Baglione & Lavinia Colonna in Perugia
1799 The Rosetta Stone is found in the Egyptian village of Rosetta
1885 – In New York, the Niagara Reservation State Park opened.
1898 Camillo Golgi discovers the Golgi Apparatus
1922 – The duck-billed platypus arrived in America, direct from Australia. It was exhibited at the Bronx Zoo in New York City.
1940 Physicist Donald Kerst becomes the first person to accelerate electrons using electromagnetic induction
1941 Florey & Heatley present freeze dried mold cultures (Penicillin)
1948 – Alcoholic Anonymous founded in Britain
2006 – The social networking service Twitter was launched.
2009 – “Harry Potter and the Half-Blood Prince” was released in theaters in the U.S. 
2011 – “Harry Potter and the Deathly Hallows: Part 2” was released in theaters in the U.S. and U.K.
By: Archa Dave
