plague_of_justinian = {
	potential = {
		owns = 151
		OR = {
			tag = ROM
			tag = BYZ
			was_tag = BYZ
		}
		is_year = 480
		NOT = { started_in = 600.1.1 }
		OR = {
			num_of_cities = 100
			total_development = 500
		}
		NOT = {
			has_country_flag = plague_of_justinian_disaster_end_flag
		}
	}
	
	can_start = {
		custom_trigger_tooltip = {
			tooltip = plague_of_justinian_trigger_tooltip
			has_country_flag = plague_of_justinian_disaster_start_flag
		}
		NOT = {
			has_country_flag = plague_of_justinian_disaster_end_flag
		}
	}
	
	can_stop = {
		has_any_disaster = yes
	}
	
	progress = {
		modifier = {
			factor = 100
			has_country_flag = plague_of_justinian_disaster_start_flag
		}
	}
	
	can_end = {
		NOT = { any_owned_province = { has_province_modifier = plague_of_justinian_province } }
	}
	
	modifier = {
		stability_cost_modifier = 0.2
		trade_efficiency = -0.5
		manpower_recovery_speed = -0.5
		land_morale = -0.05
	}
	
	on_start = plague_of_justinian.2
	on_end = plague_of_justinian.3
	
	on_monthly = {
		random_events = {
			1000 = 0
		}
	}
}