1. Maryland Military Academy was founded on January 28, 1908, in Oxford, Maryland. It was established as a military-style preparatory school for boys, and it remained in operation until 1973.

2. On January 28, 1958, the first successful kidney transplant in the United States was performed at the Johns Hopkins Hospital in Baltimore, Maryland. The recipient was a 23-year-old woman, and the donor was her identical twin sister.

3. On January 28, 1986, Maryland Senator Barbara Mikulski became the first female senator elected to represent the state of Maryland. She served in the Senate from 1987 to 2017 and was known as an advocate for women's rights and social justice.

4. The Baltimore Ravens won their second Super Bowl championship on January 28, 2001, when they defeated the New York Giants in Super Bowl XXXV. The game was played at Raymond James Stadium in Tampa, Florida.

5. On January 28, 1915, the United States Coast Guard Cutter Seneca intercepted a German ship, the SS Wilhelm II, off the coast of Maryland. The ship was suspected of carrying contraband, and after searching it, the Coast Guard discovered weapons and ammunition. This incident helped contribute to the United States' entry into World War I later that year.