http://en.wikipedia.org/wiki/Father's_Day

http://en.wikipedia.org/wiki/Flag_Day_in_the_United_States

http://www.religionfacts.com/christianity/holidays/easter.htm

http://www.patriotism.org/memorial_day/index.html

http://www.elecvillage.com/juneteen.htm

http://history1900s.about.com/cs/holocaust/a/yomhashoah.htm

http://en.wikipedia.org/wiki/Spring_(season)