1799History
The city's founder, Christopher Clark Hyatt (1799–1884), purchased his first parcel of land in the area in 1845.
1812Infrastructure
The opening of the Washington–Baltimore Turnpike (modern day US 1) in 1812 and the B&O Railroad Washington Branch line in 1835 brought more settlers to the area.
1859Architecture
Hyatt opened a store and began mail delivery, officially naming the nascent community "Hyattsville" in his 1859 application to become postmaster.
1886Government
Hyattsville was incorporated as a city on April 7, 1886.
1893History
In 1893, the Hyattsville Board of Commissioners changed their property tax to only apply to the value of land, and not improvements.
1950Education
Fairmont Heights High School, then near Fairmount Heights, replaced Lakeland High and served black students only from 1950 to 1964.
1964Architecture
=== Public libraries ===
Prince George's County Memorial Library System (PGCMLS) operates the Hyattsville Branch Library, which in 1964 was the first county-built library build...
1982Infrastructure
In 1982, a portion of the city was placed on the National Register of Historic Places as the Hyattsville Historic District, which was extended in late 2004.
2000History
In 2000, same-sex couples accounted for 1.3 percent of households, more than double the national average.
2007Crime
=== Crime ===
According to FBI crime statistics, the violent crime rate per 1,000 residents has significantly decreased in Hyattsville, from 11.42 in 2007 to 4.64 in 2019.
2010History
=== 2010 census ===
As of the 2010 U.S.
2013Education
Mark the Evangelist Campus)—As of 2013 it is primarily used for summer programs and athletics, with classes held in the Silver Spring campus.
2015Government
== Government ==
In January 2015, the Hyattsville Council passed a charter amendment to reduce the voting age to 16 for city elections, making Hyattsville one of the few jurisd...
2016Government
In December 2016, the city expanded voting rights again, granting non-citizen residents the right to vote in municipal elections.
2017Education
Francis building; in 2017 CPA moved to its permanent Riverdale Park campus.
2020History
As of 2020, additional residential and retail development is underway near the West Hyattsville Metro station.