The verified answer to “Important Battles question: In which battle did Tipu Sultan die?” is Battle of Seringapatam (1799), option B. The source-backed, question-specific record explains: Tipu Sultan, the ruler of Mysore, died defending his capital Seringapatam (Srirangapatna) in the Fourth Anglo-Mysore War on May 4, 1799. This evidence establishes the historical relationship required in this Important Battles item. A correct solution must preserve the exact battle, date, participants, commander, location, outcome or significance requested by the stem. Similar periods, genres or national traditions do not make two battle facts interchangeable. Option B gives Battle of Seringapatam (1799) and satisfies every condition stated in the question. The remaining choices—Battle of Porto Novo, Battle of Pollilur and Battle of Sholinghur—do not satisfy the complete requirement. The reliable checking method is to identify the named battle first, recall or verify its verified participant or outcome, and then read qualifiers such as “both works,” “original language,” “first published,” “correctly matched” or “incorrectly matched.” These qualifiers determine what counts as the answer. Replaying that method for this Important Battles question confirms Battle of Seringapatam (1799) without relying on option position.