Republic Day marks the unification of British Somaliland and Italian Somaliland into the Somali Republic, establishing Somalia as an independent, modern nation for the first time.

Hong Kong Special Administrative Region (HKSAR) Establishment Day marks the transfer of sovereignty from the United Kingdom to China in 1997 and the creation of the Hong Kong SAR under the principle of "one country, two systems". It is a public holiday observed with official ceremonies, flag-raising events, and community celebrations that reflect Hong Kong’s unique identity and connection with both China and the world.