National Science Day is observed in India on February 28 to commemorate the discovery of the Raman Effect, Raman Scattering, by physicist C.V. Raman in 1928 for which he won the Nobel Prize in Physics in 1930.
2025 – Planetary alignment
2024 – Prime Minister Modi of India inaugurated the 2nd Space Port of India – Kulasekarapattinam Spaceport.
1997 – GRB 970228, a highly luminous flash of gamma rays, strikes the Earth for 80 seconds, providing early evidence that gamma-ray bursts occur well beyond the Milky Way.
1990 – Space Shuttle Atlantis is launched on STS-36 and carried a classified payload for the U.S. Department of Defense (believed to have been a Misty reconnaissance satellite) into orbit.
1966 – A NASA T-38 Talon crashes into the McDonnell Aircraft factory while attempting a poor-visibility landing at Lambert Field, St. Louis, killing astronauts Elliot See and Charles Bassett. See and Bassett were the scheduled crew for The Gemini 9 mission. An extravehicular activity (EVA) that used the Astronaut Maneuvering Unit (AMU) was scheduled, and they would rendezvous with an Agena target vehicle. Bassett was scheduled for the EVA and See would stay in the capsule.
Birthdays
1956 – 
Penny Diane Sackett, born in Lincoln, Nebraska. Australian astronomer and former director of the Research School of Astronomy and Astrophysics (RSAA) at the Australian National University and the Chief Scientist of Australia from November 2008 until March 2011 is known for her work on a microlensing technique to hunt for extrasolar planets.
1535 – Cornelius (or Cornelio) Gemma was a Flemish physician, astronomer and astrologer known for his observations of a lunar eclipse in 1569 and of the 1572 supernova. (d. 12 October 1578)