Singapore's Prime Minister Lee Hsien Loong declared a seven day period of national mourning (23 March to 29 March 2015) for Singapore's most famous founding father and former first prime minister Mr. Lee Kuan Yew, who died on Monday morning 23 March 2015 aged 91. 

For more info, please refer to the following official websites:

http://www.rememberingleekuanyew.sg

https://www.facebook.com/RememberingLeeKuanYew