- 1975: Lee approves construction of Changi Airport as air traffic in the city-state surges; it evolves into one of the world’s major aviation hubs
- November 28, 1990: Lee steps down as prime minister, hands over power to his deputy Goh Chok Tong
- 1990-2004: Plays an advisory position in the cabinet as “senior minister“
- August 2004: His eldest son Lee Hsien Loong becomes prime minister; elder Lee continues to advise the cabinet as “minister mentor“
- October 2, 2010: Lee’s wife Kwa Geok Choo dies following long illness
- May 2011: General elections are held; ruling PAP retains power but suffers its worst ever share in the popular vote. Lee subsequently steps down from his cabinet advisory role but remains an elected MP
-February 2013: Undergoes treatment after suffering from a prolonged irregular heartbeat due to a stroke-like condition
- February 5, 2015: Lee is hospitalised for severe pneumonia, goes into intensive care on life support
- March 23, 2015: Lee dies at age 91