If you are looking to take a test (rather than just downloading PDFs), several modern platforms offer simulators based on historical Olympiad formats:
Olympiads for 10th and 11th graders usually focus on deep analysis rather than simple fact recall. For effective preparation, resources like Arzamas.academy are highly recommended for cultural context, while the Sirius Education Center provides advanced materials for high-achieving students. olimpiada po istorii 10-11 klass 2012 onlajn
The most reliable source for archival materials of the All-Russian Olympiad of Schoolchildren (ВсОШ) is the Official All-Russian Olympiad portal , which hosts tasks and answers for history from as far back as 2005. If you are looking to take a test
: Offers themed competitions (e.g., "Battle of Kulikovo", "Ancient Civilizations") suitable for 10–11 grade students. Preparation Tips for Senior Grades : Offers themed competitions (e
: Provides free distance Olympiads for the 11th grade with the option to receive a digital diploma upon completion.
: Features a variety of free history tests for 10–11 grades that mirror Olympiad structures.