restore_the_danelaw_effect

restore_the_danelaw_effect = {
	hidden_effect = { #Should shift all dejure of all Empires owned at the time.
		title:k_england = {
			every_in_de_jure_hierarchy = {
				limit = { tier = tier_duchy }
				set_de_jure_liege_title = title:k_danelaw
			}
		}
		title:k_danelaw = {
			set_de_jure_liege_title = title:k_england.de_jure_liege
		}
	}
	give_nickname = nick_the_dane
	create_title_and_vassal_change = {
		type = created
		save_scope_as = change
		add_claim_on_loss = no
	}
	title:k_danelaw = {
		change_title_holder = {
			holder = root
			change = scope:change
		}
	}
	resolve_title_and_vassal_change = scope:change
	title:k_danelaw = {
		add_title_law = scandinavian_elective_succession_law
	}

	if = {
		limit = {
			highest_held_title_tier < tier_empire
			primary_title != title:k_danelaw
		}
		set_primary_title_to = title:k_danelaw
	}

	#Destroy england
	destroy_title = title:k_england
}

As written in game/common/scripted_effects/00_decisions_effects.txt.