because back then they came up with holidays witch are now on calendars.
To track early flooding and growing seasons, so that they knew when to harvest and grow their crops.
Calendars are useful for farming cultures, as they help people know when to plant their crops.
Crops were needed as a surplus to help create trade between cultures.
by pooping and farting
The Olmecs used 3 calendars.
To track early flooding and growing seasons, so that they knew when to harvest and grow their crops.
There are many websites you can use to create calendars online depending on what you want to add to it. One such option is http://www.lulu.com/publish/calendars/.
because all cultures are different
Anne special secretary-treasurer of the students council
Someone can create their own templates of monthly calendars at a variety of online establishments. Websites run by companies such as VistaPrint and Creative Calendars, offer these services, and many more.
Because there are many different cultures and origins of calendars. It is the same as the reason we have lots of languages or customs and other things that vary from culture to culture or society to society.
There are many online services that create photo calendars. Snapfish, Calendarlabs, Walgreens, CVSPhoto, and Shutterfly are all online services that create calendars.
The early cultures developed mainly from the day to day activities that people were engaged in. Such activities became norms and were the basis of early cultures.
Calendars are useful for farming cultures, as they help people know when to plant their crops.
yes they did and they created many more.
Most ancient calendars were based off of the Moon's position, the Stars' position, the Sun's position, and the season.
The Anasazi used astronomy *Your welcome*