Complex sentence: The first freely elected parliament during the Soviet era in Estonia had passed Estonian Sovereignty Declaration on November 16,1988, independence resolutions on May 8,1990, and renamed the Estonian SSR the Republic of Estonia.
Split into simpler sentences: The first freely elected parliament during the Soviet era in Estonia had passed Estonian Sovereignty Declaration on November 16,1988. After the passing of independence resolutions on May 8,1990, the Estonian SSR was renamed to the Republic of Estonia.