The village was mentioned in 1517, in the gift record of Agafia Piesoczynska to the Metropolitan of Kiev Jozef Soltan, as a village of her estates, in the Trok province, Grand Duchy of Lithuania. In 1762 it was a folvark Losince.

Since 1795 it was a part of the Russian Empire, Grodno province. In the beginning of the 19th century a wooden Uspenskiy church was built. The village is on Schubert’s map of 1826-1840:

Also on the 1846-1863 military topographic map of the Russian Empire:

In 1858 the village of Losince was the center of the village community in Braszewicze volost, Kobryn district, Grodno province. There were 213 revision souls (state villagers), who until 1842 were subordinates of the Torokan monastery. In the archive RGIA F. 385 Op. 18 D. 118, the extreme dates of May 12, 1865 - February 18, 1874, there is a mention of the village:

Temporary Department for the land arrangement of state peasants. Case on the submission of the Grodno Chamber of State Property on the remuneration of collegiate secretary Krukowski for taking from him the farms Losince and Czechowcy in Grodno province.

The village is on the map:

Village on the three-view map:

In 1886 the village had 29 households and 270 inhabitants, Orthodox church and a drinking house. In 1890 the village had 415 dessiatinas of land, of which 188 were usable. In 1905 the village had 339 inhabitants, an elementary school, the estate Losintsy had 15 inhabitants.

From 1921 to 1939 in Poland, Braszewicze Commune, Drohiczyn District, Poleskie Voivodeship. In 1921 a village, 57 yards and 255 inhabitants (all Orthodox). Folvark Losintsi - 5 inhabitants. The village is on the Polish map WIG:

From 04.12.1939 in the BSSR, Braszewicze parish, Drohiczyn district, Pinsk region. The village had 80 yards and 391 inhabitants, there was an elementary school. From 15.01.1940 in Drohiczyn district, from 12.10.1940 in Wolka village council. The village is on the map of RKKA:

During the Great Patriotic War 13 inhabitants of the village died, 8 did not return from the front. In 1949 the collective farm “Plamya” was founded, chairman V. A. Picucha. In 1950 there were 120 households. Since 1954 in Brest region. In 1960 - 335 inhabitants, in 1970 - 417 inhabitants, in 1995 - 107 yards and 229 inhabitants.

References and materials used in the post:

• https://ru.wikipedia.org
• Cities and villages of Belarus, Brest region
• etomest.ru