Here are five interesting facts about May 28 in Connecticut history:

1. In 1863, the town of New Britain organized its first Memorial Day observance, where it placed flags on the graves of fallen soldiers.

2. In 1893, Yale University dedicated its new observatory building, known as the Leitner Family Observatory and Planetarium.

3. In 1934, the Kellogg-Briand Pact was signed in Paris, France, which was a treaty signed by 62 countries, including the United States, that denounced war as an instrument of national policy.

4. In 1963, Robert F. Kennedy, then the Attorney General of the United States, delivered the commencement address at Wesleyan University in Middletown, Connecticut.

5. In 2006, Mohegan Sun, one of the largest casinos in the United States, opened its new $1 billion Earth Tower hotel, which added 1,200 hotel rooms to the Mohegan Sun complex in Uncasville, Connecticut.