Romanian officials and guests dance during a ceremony marking the Day of the Union of the Romanian Principalities in Bucharest, Romania, on Jan. 24, 2026. (Photo by Cristian Cristel/Xinhua)

Romanian soldiers attend a ceremony marking the Day of the Union of the Romanian Principalities in Bucharest, Romania, on Jan. 24, 2026. (Photo by Cristian Cristel/Xinhua)

Romanians dressed in traditional costumes attend a ceremony marking the Day of the Union of the Romanian Principalities in Bucharest, Romania, on Jan. 24, 2026. (Photo by Cristian Cristel/Xinhua)

Romanian soldiers attend a ceremony marking the Day of the Union of the Romanian Principalities in Bucharest, Romania, on Jan. 24, 2026. (Photo by Cristian Cristel/Xinhua)

Romanian Prime Minister Ilie Bolojan inspects the honor guard during a ceremony marking the Day of the Union of the Romanian Principalities in Bucharest, Romania, on Jan. 24, 2026. (Photo by Cristian Cristel/Xinhua)

Romanian soldiers carry a wreath during a ceremony marking the Day of the Union of the Romanian Principalities in Bucharest, Romania, on Jan. 24, 2026. (Photo by Cristian Cristel/Xinhua)

Romanians dressed in vintage uniforms attend a ceremony marking the Day of the Union of the Romanian Principalities in Bucharest, Romania, on Jan. 24, 2026. (Photo by Cristian Cristel/Xinhua)