May 2 Dartmoor Prison in England opens to house French prisoners of war May 5 Citizenship is denied to Jews of Aargau Canton, Switzerland May 5 Mary Kies is 1st woman issued a US patent for weaving straw May 17 Papal States annexed by France Victory in Battle May 21 Battle of Aspern-Essling: Austrian archduke Charles beats Napoleon and his army. Napoleon's first defeat in 10 years. French Emperor Napoléon Bonaparte 1808 Historical Events by Year 1810
