 Horizon also publishes since late 2016 the monthly supplement "Lousavoritch" (in Armenian Լուսաւորիչ), a religious supplement prepared by the Armenian Prelacy of Canada (of the Holy See of Cilicia).Since 2000, a great number of thematic supplements have been published, covering a wide array of topics, such as, Artsakh, Shoushi, Javakhk, The Armenian Genocide, the first Republic of Armenia, the 1700th anniversary of Armenian Christianity, Nakhichevan's Khachkars and so forth.Horizon is trilingual as it also publishes English and French weekly supplements, on the basis of two pages weekly in each of the two language.