Mosaic Pieces

Welcome to the complete Maryland Mosaic. 


Use the search functions to explore.  Our predefined categories, tags, counties and chronological brackets will help you see links between the Pieces.


The collection has over 140 firsts, including events, people, places, objects, documents or buildings that are unique to Maryland and to the nation. The Mosaic is to be part of Maryland’s contribution to the U.S. 250th anniversary in 2026. It covers the period from 1776 to the present. You will find at least one Piece for every county and Baltimore City, making this a statewide project.


African American

“Underground railroad” term coined

Thomas Smallwood coins the expression “underground railroad,” in a newspaper column. Born a slave in PG county he teams up with Charles Torrey, a white clergyman, to help over 400 slaves escape through DC.

Read More »
African American

Oldest Unitarian Church

The oldest Unitarian Church in the country, designed by Maximilian Godefroy, is opened and is dedicated to “Unitarians” who “cherish the liberal sentiments on the subject of religion”.

Read More »

Land Recognition

We acknowledge the enduring presence of many American Indian tribes who once lived in Maryland and who now, having lost their lands, live in a diaspora. Read more.

© 2023 MARYLAND 400

Scroll to Top