* What is the minimum level required for this Event?
Level 2

Another mini event is about to start, this time is:

Happy Harvester Day:

Harvester, Seeder, Farm droid (48 hours of function) and Builder (6 hours of function) for less than half-price.

A few quests had been modified a little, more precisely the levels at which they are unlocked.
The modifications are:

Tomorrow a special mini event will take place:

Crafting Products Packages Offer
Get some Artisan products in prepared packages

* What is the minimum level required for this Event?

Level 2

* How can I access the event?

A new event is coming tomorrow at our farm, here's the official announcement:

With no end in sight to the snow on the farm, we’ve got just the thing to help you warm up in February: melt away those winter blues with some festive Carnival quests – available to play from February 6–11, 2013 in the “Farmers’ Society” building!