<prompt> Translate the following text to EnglishKatika karne iliyofuata, Waveneti waliimarisha sana ngome hizo, lakini Chania na Rethymnon zikaanguka mwaka wa 1645.  <response>: Over the next century, the Venetians greatly strengthened the fortifications, but Chania and Rethymnon fell in 1645. 