May 4 Henry C. Overing buys 80 acres of Throggs Neck in the Bronx Rocky Mountains Sighted May 26 Lewis and Clark first sight the Rocky Mountains Explorer and Leader of Lewis and Clark Expedition William Clark Explorer and Leader of Lewis and Clark Expedition Meriwether Lewis Napoléon Crowned May 26 Napoleon Bonaparte is crowned King of Italy French Emperor Napoléon Bonaparte Apr 1805 Historical Events by Year Jun 1805 Famous People Who Were Authors Dictators Explorers Outlaws Queens Spies