<P> Apple sent invitations to journalists on February 23, 2011, for a media event on March 2 . On March 2, 2011, CEO Steve Jobs unveiled the device at the Yerba Buena Center for the Arts, despite being on medical leave . Upon the announcement of the iPad 2, the original iPad was discontinued from sales online and at Apple authorized retail stores . </P> <P> Apple began selling the iPad 2 on its website on March 11, and in its U.S. retail stores at 5 pm local time on that date . Many stores in major cities, such as New York, sold out within hours . Online shipping delays had increased to three to four weeks on Sunday and four to five weeks by Tuesday . </P> <P> The iPad 2 was released internationally in 25 other countries on March 25, 2011 . The countries included Australia, Austria, Belgium, Canada, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Italy, Ireland, Hungary, Luxembourg, Mexico, Netherlands, New Zealand, Norway, Poland, Portugal, Spain, Sweden, Switzerland and the United Kingdom . </P> <P> The April 29, 2011 release date for Japan was postponed due to the earthquake and tsunami which struck the nation on March 11, 2011 . The iPads were delayed due to the NAND flash storage chip used in the iPads being created by Toshiba, which was affected by the earthquake and tsunami thus resulting in the suspension of operations for an indefinite period of time . The slowdown caused analysts to downgrade Apple's stock . </P>

When did the 2nd generation ipad come out