历史上的今天 (translated as "Today in History") is a free Chrome add-on developed by hmily3913. This add-on allows users to explore significant events that happened on each day in history. With this program, users can broaden their knowledge, expand their horizons, and enhance their cultural literacy.

The main purpose of this add-on is to shed light on historical events and help users understand the direction of the present. By providing a daily showcase of major historical events, it aims to increase knowledge and foster a deeper appreciation for the humanities.

With a simple installation process, Chrome users can easily access the "历史上的今天" add-on and start exploring historical events right away. This add-on is a valuable resource for those who are interested in history and want to enrich their understanding of the past.