A four-day escalation in April 2016 marks the worst fighting Hostile_encounter to date since the cease-fire .

The Washington State Fair hosts two annual events : the 21-day Washington State Fair every September , and the four-day Washington State Spring Fair every April .

The four-day world music event , WOMADelaide , and literary festival Adelaide Writers ' Week are also part of the Festival .

It is held over Process_start a four-day period , with many events , with prizes in competitions Competition such as for burnouts , parades of cars around the track , fireworks at night and two outdoor concerts held Hold on Friday and Saturday nights .

the israel defense forces ( idf ) then launched Process_start a four-day counter-offensive deep into syria .

As Ireland and Afghanistan had qualified Becoming_a_member for the ICC One Day International Championship ranking qualification process Participation , they were replaced Becoming by Kenya and Nepal in the limited over event Competition ; however they continued Hold to play Participation the four-day event Competition .