On this day, February 28, is the birth of Roman Ongpin (1847) in Binondo, Manila. He was a supporter of the Katipunan during the outbreak of the 1896 revolution.
https://kahimyang.com/february/page/5/
On this day in 2013, Benedict XVI resigned as pope.
https://www.britannica.com/on-this-day/February-28
On this day in 1935, Wallace Carothers discovered nylon for DuPont.
https://www.todayinsci.com/2/2_28.htm
February is National Down Syndrome Consciousness Month (Proclamation No. 157, s. 2002)
You may want to read: