hre_margraves_effect

hre_margraves_effect = {
	if = {
		limit = {
			game_start_date = 1066.9.15
		}
		title:e_hre.holder = {
			every_vassal = {
				limit = {
					primary_title = {
						OR = {
							this = title:d_steyermark
							this = title:d_osterreich
							this = title:d_lausitz
							this = title:d_meissen
							this = title:d_nordgau
						}
					}
				}
				primary_title = {
					set_variable = {
						name = historical_margrave
						days = 1
					}
				}
				vassal_contract_set_obligation_level = {
					type = special_contract
					level = 2
				}
				additional_flavor_check_effect = yes
			}
		}
	}
	else_if = {
		limit = {
			game_start_date = 1178.10.1
		}
		title:e_hre.holder = {
			every_vassal = {
				limit = {
					primary_title = {
						OR = {
							this = title:d_steyermark
							this = title:d_lausitz
							this = title:d_ostmark
							this = title:d_meissen
						}
					}
				}
				primary_title = {
					set_variable = {
						name = historical_margrave
						days = 1
					}
				}
				vassal_contract_set_obligation_level = {
					type = special_contract
					level = 2
				}
				additional_flavor_check_effect = yes
			}
		}
	}
}

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