Context: In 1592 Hugh Roe O'Donnell had driven an English sheriff, Captain Willis, out of his territory, Tir Chónaill . In 1593, Maguire supported by Troops out of Tyrone led by Hugh O'Neill's brother, Cormac MacBaron, had combined to resist Willis' introduction as Sheriff into Maguire's Fermanagh. After Willis was expelled from Fermanagh Maguire with the aid of MacBaron launched a punishing raids into northern Connacht, burning villages around Ballymote castle. . Maguire launched a more ambitious raids into Connacht during June, when he clashed with forces led by the governor of Connacht, Sir Richard Bingham, but the English were beaten back and Maguire continued to spoil thorough Roscommon before returning north. Initially O'Neill assisted the English, hoping to be named as Lord President of Ulster himself. Elizabeth I, though, had feared that O'Neill had no intention of being a simple landlord and that his ambition was to usurp her authority and be "a Prince of Ulster". For this reason she refused to grant O'Neill provincial presidency or any other position which would have given him authority to govern Ulster on the crown's behalf. Once it became clear that Henry Bagenal was marked to assume the presidency of Ulster, O'Neill accepted that an English offensive was inevitable, and so joined his allies in open rebellion in February 1595, with an attack on the English fort on the River Blackwater. Later in 1595 O'Neill and O'Donnell wrote to King Philip II of Spain for help, and offered to be his vassals. He also proposed that his cousin Archduke Albert be made Prince of Ireland, but nothing came of this. Philip II replied encouraging them in January 1596. An unsuccessful armada sailed in 1596; the war in Ireland became a part of the wider Anglo-Spanish War.

Question: What happened first, attack on an English fort or O'Neill asked King Philip II for help?

Answer:
attack on an English fort