1800: Find out the major

Find out the major events, births, deaths, and marriages that occurred in 1800 . Learn about the discovery of the electric battery, the first cowpox vaccination in the US, and the inauguration of Napoleon's sister. 1800 ® Tequila is the world’s most awarded tequila family. With over 200 years of quality and tradition, 1800 ® is the original super-premium tequila. 1800 (MDCCC) was an exceptional century common year starting on Wednesday of the Gregorian calendar and a leap year starting on Sunday of the Julian calendar, the 1800th year of the Common Era (CE) and Anno Domini (AD) designations, the 800th year of the 2nd millennium, the 100th and last year of the 18th century, and the 1st year of the 1800s decade. As of the start of 1800 , the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923. The 1800s was a decade of global change and conflict, marked by the Napoleonic Wars, the Industrial Revolution, and the rise and fall of empires. Learn about the major political, social, and cultural developments that shaped the world in this period.