An anniversary may pertain-to an international-political-entity.Logical formLearned from440 sentences. An anniversary may pertain-to a battle.Logical formLearned from422 sentences. An anniversary may pertain-to an end.Logical formLearned from420 sentences. An anniversary may pertain-to a birthday.Logical formLearned from412 sentences. An anniversary may pertain-to a return.Logical formLearned from411 sentences. An anniversary may approach.Logical formLearned from410 sentences. An anniversary may pertain-to a release.Logical formLearned from406 sentences. An anniversary may pertain-to an islamic revolution.Logical formLearned from400 sentences. An anniversary may pertain-to a defeat.Logical formLearned from398 sentences. An anniversary may pertain-to a tragedy.Logical formLearned from388 sentences. An anniversary may pertain-to (terror attacks).Logical formLearned from378 sentences. An anniversary may pertain-to an inauguration.Logical formLearned from371 sentences. An anniversary may undergo a commemoration.Logical formLearned from370 sentences. An anniversary may pertain-to a speech.Logical formLearned from364 sentences. An anniversary may pertain-to an earthquake.Logical formLearned from354 sentences.