1749 - founded as a Union Church (with both Lutheran Reformed congregations)
1754 - first church building erected
1803 - second church building erected
1830 - third church building erected
1864 - fourth (present) church building erected
1911 - church organ dedicated
1924 - worship begun in English (only German used prior to this time)
1928 - remodeled church dedicated: three-sided balcony removed, second floor added to the church, organ moved from balcony to present location, new altar, pulpit and pews added
1937 - electricity installed in church
1956 - stained glass windows installed in sanctuary
1969 - excavation of basement and renovation of Sunday School rooms
1984 - formation of one Lutheran congregation, uniting the two congregations of the former Union Church into one
1991 - renovations made to sanctuary and Sunday School auditorium
1996 - building addition completed and dedicated, adding an elevator, four classrooms, two offices, restrooms and a larger vestibule
1999 - 250th anniversary of Weisenberg Lutheran Church.
2005 - Mission trip to Pass Christian, Mississippi (Hurricane Katrina)
2006 - Mission trip to Pass Christian, Mississippi (Hurricane Katrina)
2007 - Mission trip to Pass Christian, Mississippi (Hurricane Katrina)
2009 - 25th anniversary for Pastor Ray at Weisenberg Lutheran Church.