The Black Bauhinia flag is a variant of the flag of Hong Kong with a black background and a modified bauhinia flower. The flag gained popularity during the 2019–2020 Hong Kong protests and is often displayed by pro-democracy protesters.

The International Legion of Territorial Defence of Ukraine, or the Ukrainian Foreign Legion, is a military unit of the Territorial Defense Forces of Ukraine composed of foreign volunteers. It was created on 27 February 2022 by the Ukrainian government at the request of President Volodymyr Zelenskyy to fight against the Russian invasion of the country.