From the American Battlefield Trust April 2022 calendar.
APRIL 4, 1814
** Napoleon abdicates and is exiled to Elba off the coast of Tuscany; Great Britain now concentrates on its war with the United States. Bad news for us.
APRIL 6, 1815
** Seven American prisoners are killed and 32 wounded in the "Dartmoor Massacre" at Dartmoor Prison in Devon, England
APRIL18, 1806
** The Non-Importation Act passed
APRIL 27, 1813
** Attack on York (modern-day Toronto); General Zebulon Pike killed
APRIL 29, 1813
** Raid on Frenchtown, Maryland, by British flotilla under the command of Admiral George Cockburn
--Brock-Perry
