On this day, January 28, is the birthday of Julian Felipe in Cavite. He is the composer of Marcha Nacional Filipina.
The official calendar of the Republic of the Philippines: an almanac of Philippine commemorations enlivened with illustrations and information. –Manila: Presidential Communications Development and Strategic Planning Office, .
On this day in 1986 the space shuttle Challenger exploded into space, 73 seconds after it took off from Florida. The 7 crew on board are dead.
On this day in 1613, Galileo almost discovered Neptune when he saw it next to Jupiter but thought it was a star.
January is Liver Cancer and Viral Hepatitis Awareness and Prevention Month (Republic Act No. 10526 of 2012.