*Winning battles (bigger battles give more prestige)
*Winning wars: various war justifications yield limited amounts of prestige*Enacting reforms*Researching culture
and commerce techs and triggering associated inventions before other nations (the first country to [[research]] a culture tech gets 100% of the allowed benefit, but the next one only gets 50%, the next one 33%, etc.)*Many events*As a Great Power, backing the winning side in a crisis (if it doesn't go to war).*With [[Patch 3.04]], backing the defender in a crisis if no one backs the attacker.
*Losing battles (the loser loses the same amount of prestige that the winner gains)
*Losing a war: failing to meet a war justification causes significant losses of prestige.
*Losing to rebels through a revolution
*Changing [[technology school]]s
*Declining an ally's request for assistance
*Some events*As a Great Power:** Not taking an interest in a [[crisis]] on the same continent as the country
** Being on the losing side of a crisis (if it doesn't go to war)