2015 Event NASA's MESSENGER spacecraft ends its three-year orbit around Mercury with a planned crash into the planet's surface; originally, the probe was to orbit and collect data for one year, but fuel saving efforts extended its mission for two more years 2015 Event Online preorders begin for the Apple Watch, initially planned for sale on April 24th; however, the volume of orders has already pushed delivery dates into June or July for the various models, which are priced from $349 to $17,000 2015 Event A federal U.S. judge orders a halt to an executive order issued by President Barack Obama that allows approximately 5 million illegal immigrants to remain in the country; Obama expects to overcome this hurdle to implement the order as planned 2014 Event In light of recent separatist elections, Ukrainian President Petro Poroshenko seeks to nullify a law that gave greater autonomy to rebel regions; Ukraine does not recognize the election results and will hold national elections as planned in December 2014 Event A planned demonstration in Iran against recent acid attacks on women has been prevented by a show of police forces; protesters believe the women were attacked due to improper covering in accordance with the nation's dress code 2012 Event More than 700 writers, academics and others send a letter to protest the planned spending of $300 million on the Fifth Avenue Branch of the New York Public Library 2011 Event In Iran, the Central Bank of Iran launches a website which it will use to poll Iranians on planned economic reforms and changing the national currency 2011 Event Singapore dissolves its Parliament for the 14th General Election, planned for May 7, 2011 1943 Birthday Faye Wattleton, born in St. Louis, Missouri, sociologist/president, Planned Parenthood