November Uprising
Zaleski was a member of the secret patriotic organisation Związek Wolnych Polaków (1821); a participant of the November Uprising (1830–1831); a deputy of the Sejm (during the November Uprising 1830–1831); the co-founder (with Mickiewicz) of the religious brotherhood Towarzystwo Braci Zjednoczonych; and co-editor of a magazine, "Nowa Polska".