Imprisonment of the pope and formation of the Roman republic by the French; the Helvetian republic founded by them.

"Jenner Introduces Vaccination." See xiv, [363].

Gas-lights introduced by Watt and Boulton.

1798. English expedition against Holland; capture of the Dutch fleet.

Mysore taken by the English; death of Tippoo Sahib.

Sugar first extracted from the beet-root by Achard.

"The Great Irish Rebellion." See xv, 1.

Count Rumford discovers that heat is a mode of motion.

Greathead, England, invents the lifeboat.

Gradual emancipation of negroes in New York.