UNION — Saturday, Aug. 21, marked the first day of the 150th Union Fair.

The fair began with opening ceremonies at Sherman Park, with the introduction of the Blueberry Ambassador candidates and a flag raising.

Musical guests and family-friendly entertainers were located throughout the fair during the day.

Of course livestock from around the state were on display, including endangered heritage breeds.

Saturday night the demolition derby drew a large crowd of excited folks happy to be back after the forced hiatus of 2020.

The 2021 Union Fair is Aug. 21 to Aug. 28, from 9 a.m. to 9 p.m.

Boy Scout Troop 215 from Thomaston raise the flag during the opening ceremonies of the Union Fair Aug. 21. Christine Simmonds

Ranger D the Singing Cowboy performs at Sherman Park at the Union Fair, Aug. 21. Christine Simmonds

Belted Galloway cows from Barrett Homestead Farm of Hope at the Union Fair, Aug. 21. Christine Simmonds

Heritage breed chinchilla rabbits from Saffron and Honey Homestead of Windsor at the Union Fair, Aug. 21. Christine Simmonds

The wooly coated heritage breed mangalica pigs from Switchback Farm of Nobleboro at the Union Fair, Aug. 21. Christine Simmonds

From left: Isabelle Kaler of Union and Emily Frost of Union and Warren run the shaved ice booth for their grandmother at the Union Fair, Aug. 21. Christine Simmonds

The demolition derby on opening night of the Union Fair draws an excited crowd for the spectacle, Aug. 21. Christine Simmonds

Milo Fisher of Thomaston with his balloon animal snake by the Party Palooga balloon artist, Union Fair, Aug. 22. Christine Simmonds

Pete Lammert of Thomaston with the Maine State Beekeepers Association displays a hive, Union Fair, Aug. 22. Christine Simmonds

Cattle from Faithful Venture Farm of Searsmont on display at the Union Fair, Aug. 22. Christine Simmonds