The kitchen in our house was originally in the back of the house, with a room next to it that I imagine was used for a dining room. However, when I went to lay out the kitchen plan in the existing space, I found that there was no way to put a kitchen in the space when it had the back door, pantry door, and basement door in it. So, we flipped the spaces and put the kitchen in what was the dining room. Since we were running all new plumbing and electric, this wasn’t that big of a deal.
There was a step up to a new subfloor in the old kitchen which we had to pull out when we knocked out the wall between the kitchen and dining room. When we pulled up the subfloor we found it had been installed to cover up a big sag in the floor. A bunch of Amish guys and I trudged into the basement holding our cell phone flashlights in front of us to find out why the floor was sagging. Hello, rotted floor joists. We replaced the floor joists, but some of the sag remained, along with a hump where the pantry starts. A few gallons of floor leveler fixed most, but not all of the problem. I had wanted to lay tile in the kitchen/dining area but I really worried about the tile cracking because the floor wasn’t totally level. Sheet vinyl flooring is the answer for old floors but I couldn’t find a pattern I liked.
Soft wood, like pine, is very forgiving of uneven floors, and when the house was built in 1860 it is likely that 6 inch pine floors would have been used in the kitchen. Whatever the original floor was, it is long gone, so off to Lumber Liquidators I went to order new wood floors. Their unfinished pine was on sale for 89 cents a square foot, which can’t be beat. Mark and I laid the floors, which took about a day and a half for the kitchen, dining area and large pantry/laundry room. 
Then I filled all the knots and cracks with wood filler and sanded the floor with my hand sander.
Pine doesn’t like to take stain and while it is a very light yellow when it is new, over the years it will darken as it ages.
That’s great, but I didn’t have years for the floor to look good and a bright new wood floor looked really out of place. For years I have wanted to do a large checkerboard floor in a kitchen so I decided this was my chance! First I whitewashed the floor using half water and half of the light cream paint we used on the walls. This was time consuming as I put the paint down with a roller and then had to go over it with a paintbrush. After the floor was dry I started taping off my squares. 
I cut 26 inch squares out of floor paper and laid them out and taped around them. For the three spaces this took approximately forever. Then it was onto the painting using half black paint and half water.
Today I drove through Snowpocalypse to finish painting the floor in the pantry and to take up all of the tape. All in all, I thing the floor turned out pretty well! My cabinets are off white and my island is black so when everything is in, I think the floor will look pretty cool. 
I still have to put a few coats of poly on the floor which I will do next weekend.
The huge amounts of snow we are getting definitely improve the look of the house as it hides all of the construction debris all over the yard! 
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