Burmese–Siamese War (1759–1760)
... that the Burmese were "on the brink of victory" in the Burmese–Siamese War (1759–1760) when they suddenly withdrew from their siege of Ayutthaya because their king Alaungpaya had fallen ill?
... that the Burmese were "on the brink of victory" in the <b id="mwEo0"><a href="./Burmese–Siamese_War_(1759–1760)" id="mwEo4" rel="mw:WikiLink" title="Burmese–Siamese War (1759–1760)">Burmese–Siamese War (1759–1760)</a></b> when they suddenly withdrew from their siege of <a class="mw-redirect" href="./Ayutthaya_(city)" id="mwEo8" rel="mw:WikiLink" title="Ayutthaya (city)">Ayutthaya</a> because their king <a href="./Alaungpaya" id="mwEpA" rel="mw:WikiLink" title="Alaungpaya">Alaungpaya</a> had fallen ill?