Union Day of Belarus and Russia is celebrated annually on April 2, primarily in Belarus. This day commemorates the agreement signed between the presidents of Russia and Belarus, which enhanced the integration of the two countries and led to the establishment of the Union State of Russia and Belarus. The agreement aimed to deepen their relationship by integrating economic and defense policies. Observances typically include educational activities that highlight the historical significance of the union and its implications for both nations. The day serves as a reminder of the commitment to mutual support and cooperation between Belarus and Russia.