DODOMA, April 26 -- AS one of Africas oldest and most enduring political arrangements, the Union between formerly Tanganyika and Zanzibar offers a compelling case study of how peace and stability can sustain a shared state across generations.

Formed in the aftermath of the Zanzibar Revolution on January 12, 1964, the Union brought together two entities with distinct historical, cultural and political trajectories. Its durability over six decades has not been incidental, but the result of deliberate political stewardship anchored in dialogue, compromise and mutual respect.

When Julius Nyerere and Abeid Amani Karume agreed to unite their nations, they were not merely merging territories, they were constructing a shared political identity....