How old is this pilgrimage, what is its historical significance, how do people travel it now? Blog: https://billpetro.com/history-of-via-francigena-pilgrimage #ViaFrancigena #Pilgrimage #Rome

What does pilgrim mean, what are the secular & sacred pilgrimages of the world's religions, including Judaism, Islam, and Christianity? Blog: https://billpetro.com/history-of-pilgrimages #Pilgrimages #Rome #Christianity

What is the science, how does it define Fall, and how does it differ from the Vernal Equinox? Blog: https://billpetro.com/history-of-the-fall-what-is-the-autumnal-equinox #Fall #Autumn #Equinox

Why would it start in September rather than October? Should it be Septemberfest? Blog: https://billpetro.com/history-of-oktoberfest #Oktoberfest #Munich #Germany

Like a long walk off a short plank, this is the origin, growing popularity, media coverage, and linguistic history of the Geek holiday. Blog: https://billpetro.com/history-of-talk-like-a-pirate-day #TalkLikeAPirate #Pirate

What is the origin of the Left vs. Right divide, what are the differences, how does it impact us today? Blog: https://billpetro.com/history-of-the-left-vs-the-right #Civics #France #Left-Right

How was the Constitution written on this date in 1787, ratified a year later, and effective the year after that? Blog: https://billpetro.com/history-of-the-constitution-of-the-united-states/ #Constitution #History #UnitedStates

9/11, the commemoration as observed in the US, reflections looking back, and the importance of memorial. Blog: https://billpetro.com/history-of-patriot-day-9-11 #PatriotDay #9-11 #9/11

What is the background of Star Trek in TV & movies that spawned countless books, films, comics, and beyond? Blog: https://billpetro.com/history-of-star-trek #StarTrek #TV #ScienceFiction

How the diminutive French-born scholar became the "Genius of Geneva" and had an outsized impact on history in Europe, the UK, and America. Blog: https://billpetro.com/history-john-calvin/ #JohnCalvin #Calvinism