Methods are provided for providing a unified communication history of a multi-modal communication. In one aspect, a method includes receiving a plurality of event logs related to the multi-modal communication. The multi-modal communication comprises a first communication modality and a second communication modality that is different from the first communication modality. The method includes aggregating the one or more events from the event logs as a plurality of aggregated events and resolving an identity of each user from among the plurality of users in the plurality of aggregated events. The method includes storing the aggregated events into a communication history of the multi-modal communication. Systems and machine-readable media are also provided.