595. National Train Day - Union Station, Washington DC, US
596. Madame Tussauds Wax Museum, Washington DC, US
597. Yoga and Meditation (JKY) - Shri Mangal Mandir, Silver Spring, MD, US
598. Swami Mukundananda Discourses (JKY) - Shri Mangal Mandir, Silver Spring, MD, US
599. Kinetic Sculpture Race - AVAM, Baltimore, MD, US
600. Earth Day Climate Rally, National Mall, Washington DC, US
601. Chinmaya (Mission) Jnana Yajna - Art of Healing, Silver Spring, MD, US
602. Bay Bridge Boat Show, Stevensville, MD, US
603. AAA Travel and Savings Expo, Baltimore, MD, US
604. Filmfest DC (International Film Festival - Opening Night), Washington DC, US
605. Privateer Day Festival - Fells Point, Baltimore, MD, US
606. All Saints and Composers Day at Kali Temple - Swararnava, Burtonsville, MD, US
607. National Cherry Blossom and Fireworks Festival, Washington DC, US
608. NCBF Anime Marathon Cosplay Contest, Washington DC, US
609. Telugu Ugadi Celebrations - GWTCS, Bethesda, MD, US
610. The Gardens Figures Skating show, Laurel, MD, US
611. Smithsonian Annual Kite Festival, Washington DC, US
612. National Cherry Blossom Festival Opening Ceremony, Washington DC, US