Events that occurred on 28 April.
 On Earth
- 1915 - J.R.R. Tolkien writes You and Me / and the Cottage of Lost Play.
- 1936 - J.R.R. Tolkien writes the manuscript "Primitive Quendian: Final Consonants".
- 1948 - Author Terry Pratchett is born.
- 1956 - J.R.R. Tolkien writes a letter to Deirdre Levinson.
- 1961 - Actor Jamieson Price is born.
- 1965 - Actor Steven Jay Blum is born.
- 1967 - J.R.R. Tolkien writes a letter to John Leyerle.
- 1972 - J.R.R. Tolkien writes a letter to Mrs Robertson.
- 2001 - Actor Paul Daneman dies.
- 2008 - Tolkien - min vän Ronald och hans världar is published.
- 2009 - The 1997 documentary J.R.R. Tolkien is released on DVD in the USA.
 In Arda
- There are no known events for this date.