The National Historical Museum of the Republic of Belarus is one of the country’s most popular museums. Its holdings house the biggest museum collection in Belarus numbering about 400,000 items. Also, the National Historical Museum structure includes 5 branches: the Museum of Belarusian Cinema History, the Museum of Contemporary Belarusian Statehood, the House Museum of First Congress of the Russian Social Democratic Labour Party, the Museum of Theatre and Musical Culture History of the Republic of Belarus, and the Museum of Nature and Environment of the Republic of Belarus.