International Horseshoe Crab Day

National Martini Day in USA on June 19;

Farmer's Day in Ukraine on June 19;

World Sickle Cell Day on June 19 (International);

World Sauntering Day on June 19 (The holiday was created in 1979 by W.T. Rabe in response to the growing popularity of jogging. It is believed to have begun at the Grand Hotel on Mackinac Island in Michigan, USA. The Grand Hotel has the world's longest porch at 660 feet. The idea behind the day was to encourage people to slow down and appreciate the world around them);

World Children's Football Day on June 19 (UN);

Feast of Forest on June 19 (Palawan);

Arbor Day in Paraguay on June 19;

Organic Field Day on June 19;

World Zoo Elephant Day on June 20;

American Eagle Day on June 20;

National Vanilla Milkshake Day and Ice Cream Soda Day in USA on June 20;

Lambrusco Day on June 20 (Lambrusco is a sparkling red wine made from the Lambrusco grape);

International Drink Chenin Blanc Day on June 20 (Happens annually on the 3rd Saturday of June);

National Kouign Amann Day in USA on June 20;

Vierländer Strawberry Festival on June 20 (Starts on the third Saturday in June);

International Surfing Day on June 20 (was established in 2005 by Surfing Magazine and The Surfrider Foundation);

World Juggling Day on June 20 (It will be held on the Saturday closest to June 17);

World Giraffe Day on June 21 (is an exciting annual event initiated by GCF to celebrate the longest-necked animal on the longest day or night);

National Dog Party Day in US on June 21;

National Peaches & Cream Day in USA on June 21;

World Humanist Day on June 21 (from the late 1980s to the early 1990s, the American Humanist Association and International Humanist and Ethical Union passed resolutions declaring World Humanist Day to be on the northern summer solstice);

World Hydrography Day on June 21;

International Slowness Day on June 21 (Clémence Boucher, a Montreal community worker, got together with some friends in 2001 and picked June 21 — the longest day of the year — to kick off her movement.);

World Handshake Day on June 21;

Make Music Day on June 21 (Launched in 1982 in France as the Fête de la Musique, it is now held on the same day in more than 1,000 cities in 120 countries);

World Day against Amyotrophic Lateral Sclerosis on June 21;