Complex sentence: During the 1993 Russian constitutional crisis the front created militias supporting the defense of the White House, Moscow and was disbanded by a decree of President Yeltsin after his decisive victory in his conflict with the parliament.
Split into simpler sentences: During the 1993 Russian constitutional crisis the front created militias supporting the defense of the White House, Moscow. It was disbanded by a decree from Yeltsin after his decisive victory in his conflict with the parliament.