This week’s milestones: Oct. 25 to Oct. 31

Oct. 26, 1521 The remaining crew of the expedition once led by the Portuguese explorer Ferdinand Magellan dropped anchor at “Biraham Batulach,” known today as Barangay Batulaki, to take shelter from a violent storm. In the detailed account of the voyage, Antonio Pigafetta, a Venetian scholar and explorer, also wrote that Sebastian el Cano had