Events | Horsham Day Horsham celebrates Horsham Day! on the 1st Saturday in June each year and it just seems to get better each year. The festivities include the Taste of Horsham Food Tent, the Greater Horsham Chamber of Commerce's Business Courtyard, live bands all day, races, hockey, basketball, softball tournaments, a fishing contest, rides, and the greatest fireworks around.HPHA will make its 17th consecutive appearance at the Horsham Day 2015. Come out and join us! xCow Plop Bingo 2015Cow Plop Bingo at Horsham Day June 6, 2015! Proceeds benefit Horsham Non-Profits like HPHA!. Winner gets $1000~ Tickets are $10 each and available from HPHA!