April 15th
- 1864 – Hub Collins born.
- 1865 – Abraham Lincoln died, aged 56.
- 1865 – Abraham Lincoln left office as US President.
- 1865 – Mary Todd Lincoln left US First Lady position.
- 1879 – Charles Neville Buck born.
- 1926 – Dee Huddleston born.
- 1978 – Chris Stapleton born.
- 1982 – "A" Is for Alibi by Sue Grafton published.