North Tapanuli - The district government of North Tapanuli initiated a festival, namely "Festival Tenun Nusantara". The festival was held from 13-17 October 2018 in Muara and Tarutung, North Tapanuli Regency. The purpose of this festival is to form the government's efforts to introduce Batak culture to the whole world, especially especially in the activities of weaving ulos cloth.

Silangit International Airport also celebrated the Festival by wearing ulos cloth for a week by all stakeholders of the airport. This effort is a form of support for the Silangit International Airport at the festival.