| early 1700s - | First European settlement of what is now Limerick Township. |
| 1726 - | Petition filed to place Limerick Township upon record as part of Philadelphia County, Pennsylvania, one of the three (3) original counties in the Commonwealth. |
| 1736 - | Petition filed by the inhabitants in what was then Hanover Township to settle the border between Limerick and Hanover Townships. |
| 1738 - | Oldest legible tombstone in the township dates from this year. |
| 1777 - | George Washington stays at the Mordecai Evans house in Linfield. |
| 1784 - | Limerick Township became a part of the newly-formed Montgomery County, Pennsylvania. |
| 1810s - | Population surpasses 1,000 people. |
| 1818 - | First permanent church edifice, the Limerick Union Church, hosting the Lutheran and Reformed (UCC) denominations, was dedicated. |
| 1828 - | Dieter Bucher(t) becomes first postmaster in Limerick. |
| 1839 - | First time a train rides through Limerick Township, on what is now referred to as the Reading Railroad, of Monopoly fame. |
| 1840s - | Population surpasses 2,000 people. |
| 1852 - | Limerick's first public school district formed. |
| 1866 - | First major industrial presence in Limerick Township, March, Sisler & Co., moved its factory from Parkerford (across the river from Linfield, in Chester County) to Linfield. |
| 1879 - | The Borough of Royersford incorporated out of Limerick Township. |
| 1884-5 - | Linfield, or Limerick Station, in Limerick Township, attempts to become a borough, and fails. |
| 1901 - | First time a trolley rides through Limerick Township. |
| 1904 - | The Borough of Royersford annexed land from Limerick Township. |
| 1909 - | The Borough of Royersford annexed land from Limerick Township a second time. |
| 1909 - | Limerick Telephone Company founded, which was bought by Bell Telephone Company less than ten (10) years later. |
| 1924 - | The Borough of Royersford annexed land from Limerick Township a third time. |
| 1927 - | Limerick Airport created. |
| 1929 - | Linfield, in Limerick Township, attempts to become a borough a second time, and fails again. |
| 1950s - | Population surpasses 5,000 people. |
| 1955 - | Limerick becomes part of the Spring-Ford Area School District, along with Upper Providence Township, the Borough of Royersford (Montgomery County), and the Borough of Spring City (Chester County). |
| 1985 - | First multi-lane, limited-access highway in the township, Route 422 (not to be confused with Old Route 422, or Ridge Pike), opens. |
| 1986 - | First unit of the Limerick Nuclear Generating Station, a nuclear power plant in the corner of the township along its border with Lower Pottsgrove Township, came on line. |
| 1990s - | Population more than doubles, surpassing 10,000 people. |
| 2000 - | The Isaac Hunsberger House, home of the Limerick Township Historical Society, is the first location in the township to be placed on the National Register of Historic Places. |
| 2005 - | The William and Mordecai Evans House, in Linfield, is the second location in the township to be placed on the National Register of Historic Places. |
