Here’s what’s happening this weekend in Chester County Datebook.

On Friday, the Chester County Art Association will host PLANE AIR! Bringing Plein Air to New Heights from 5-9 PM in the lobby of the Hotel Warner in West Chester.

The Greater West Chester Chamber of Commerce will host its Spring Gallery Walk from 5-9 PM in downtown West Chester.

The Phoenixville Regional Chamber of Commerce will host Phoenixville First Friday from 6-10 PM on Bridge Street in downtown.

On Saturday, SCORE of Chester and Delaware Counties will host Advanced LinkedIn Techniques for Small Business Development from 9 AM-12 PM at the Tredyffrin Public Library in Strafford.

On Sunday, the Carriage House will host a Mother’s Day Brunch from 10 AM-2 PM at its Restaurant & Pub in West Chester.

List your organization, company or community event on VISTA Today’s calendar and daily Datebook posts. Contact Mitchell Zackowski at 610.805.0172 or via email at mzackowski@vista.today for details.