Complex sentence: The Fast of Gedalia (or; "Tzom Gedalya"), also spelled Gedaliah, is a Jewish fast day from dawn until dusk to lament the assassination of the righteous governor of Judah whose murder ended Jewish autonomy following the destruction of the First Temple.
Split into simpler sentences: The Fast of Gedalia (or; "Tzom Gedalya"), also spelled Gedaliah, is a Jewish fast day from dawn until dusk to lament the assassination of the righteous governor of Judah. His murder ended Jewish autonomy following the destruction of the First Temple.