Simplify the following text for a Grade 10 native English-speaking person.
Original: From 1918 to 1920 the province was under the administration of the Democratic Republic of Armenia as the Vanand province ( with the city of Kars as its capital ) .
Simplified: In 1919 and 1920 the province came under the control of the Democratic Republic of Armenia as the Vanand province ( with the city of Kars as its capital ) .