Over the next century, the Venetians greatly strengthened the fortifications, but Chania and Rethymnon fell in 1645.
The Venetians spent a century reinforcing their fortifications.
mnli hypothesis: The Venetians spent a century reinforcing their fortifications. premise: Over the next century, the Venetians greatly strengthened the fortifications, but Chania and Rethymnon fell in 1645.